398686288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 1093485568

約数和(自身を除く): 694799280

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 44, 52, 56, 62, 73, 77, 88, 91, 104, 112, 121, 124, 143, 146, 154, 176, 182, 208, 217, 242, 248, 286, 292, 308, 341, 364, 403, 434, 484, 496, 511, 572, 584, 616, 682, 728, 803, 806, 847, 868, 949, 968, 1001, 1022, 1144, 1168, 1232, 1364, 1456, 1573, 1606, 1612, 1694, 1736, 1898, 1936, 2002, 2044, 2263, 2288, 2387, 2728, 2821, 3146, 3212, 3224, 3388, 3472, 3751, 3796, 4004, 4088, 4433, 4526, 4774, 5456, 5621, 5642, 6292, 6424, 6448, 6643, 6776, 7502, 7592, 8008, 8176, 8833, 8866, 9052, 9548, 10439, 11011, 11242, 11284, 12584, 12848, 13286, 13552, 15004, 15184, 15841, 16016, 17666, 17732, 18104, 19096, 20878, 22022, 22484, 22568, 24893, 25168, 26257, 26572, 29419, 30008, 31031, 31682, 35332, 35464, 36208, 38192, 41756, 44044, 44968, 45136, 48763, 49786, 52514, 53144, 58838, 60016, 61831, 62062, 63364, 70664, 70928, 73073, 83512, 88088, 89936, 97526, 99572, 105028, 106288, 114829, 117676, 123662, 124124, 126728, 141328, 146146, 167024, 174251, 176176, 195052, 199144, 205933, 210056, 229658, 235352, 247324, 248248, 253456, 273823, 292292, 323609, 341341, 348502, 390104, 398288, 411866, 420112, 459316, 470704, 494648, 496496, 547646, 584584, 647218, 682682, 697004, 780208, 803803, 823732, 918632, 989296, 1095292, 1169168, 1294436, 1365364, 1394008, 1607606, 1647464, 1837264, 1916761, 2190584, 2265263, 2588872, 2730728, 2788016, 3215212, 3294928, 3559699, 3833522, 4381168, 4530526, 5177744, 5461456, 6430424, 7119398, 7667044, 9061052, 12860848, 14238796, 15334088, 18122104, 24917893, 28477592, 30668176, 36244208, 49835786, 56955184, 99671572, 199343144, 398686288]

約数ペア:

[(1, 398686288), (2, 199343144), (4, 99671572), (7, 56955184), (8, 49835786), (11, 36244208), (13, 30668176), (14, 28477592), (16, 24917893), (22, 18122104), (26, 15334088), (28, 14238796), (31, 12860848), (44, 9061052), (52, 7667044), (56, 7119398), (62, 6430424), (73, 5461456), (77, 5177744), (88, 4530526), (91, 4381168), (104, 3833522), (112, 3559699), (121, 3294928), (124, 3215212), (143, 2788016), (146, 2730728), (154, 2588872), (176, 2265263), (182, 2190584), (208, 1916761), (217, 1837264), (242, 1647464), (248, 1607606), (286, 1394008), (292, 1365364), (308, 1294436), (341, 1169168), (364, 1095292), (403, 989296), (434, 918632), (484, 823732), (496, 803803), (511, 780208), (572, 697004), (584, 682682), (616, 647218), (682, 584584), (728, 547646), (803, 496496), (806, 494648), (847, 470704), (868, 459316), (949, 420112), (968, 411866), (1001, 398288), (1022, 390104), (1144, 348502), (1168, 341341), (1232, 323609), (1364, 292292), (1456, 273823), (1573, 253456), (1606, 248248), (1612, 247324), (1694, 235352), (1736, 229658), (1898, 210056), (1936, 205933), (2002, 199144), (2044, 195052), (2263, 176176), (2288, 174251), (2387, 167024), (2728, 146146), (2821, 141328), (3146, 126728), (3212, 124124), (3224, 123662), (3388, 117676), (3472, 114829), (3751, 106288), (3796, 105028), (4004, 99572), (4088, 97526), (4433, 89936), (4526, 88088), (4774, 83512), (5456, 73073), (5621, 70928), (5642, 70664), (6292, 63364), (6424, 62062), (6448, 61831), (6643, 60016), (6776, 58838), (7502, 53144), (7592, 52514), (8008, 49786), (8176, 48763), (8833, 45136), (8866, 44968), (9052, 44044), (9548, 41756), (10439, 38192), (11011, 36208), (11242, 35464), (11284, 35332), (12584, 31682), (12848, 31031), (13286, 30008), (13552, 29419), (15004, 26572), (15184, 26257), (15841, 25168), (16016, 24893), (17666, 22568), (17732, 22484), (18104, 22022), (19096, 20878)]