397179440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 1103929344

約数和(自身を除く): 706749904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 137, 140, 155, 167, 217, 248, 274, 280, 310, 334, 434, 496, 548, 560, 620, 668, 685, 835, 868, 959, 1085, 1096, 1169, 1240, 1336, 1370, 1670, 1736, 1918, 2170, 2192, 2338, 2480, 2672, 2740, 3340, 3472, 3836, 4247, 4340, 4676, 4795, 5177, 5480, 5845, 6680, 7672, 8494, 8680, 9352, 9590, 10354, 10960, 11690, 13360, 15344, 16988, 17360, 18704, 19180, 20708, 21235, 22879, 23380, 25885, 29729, 33976, 36239, 38360, 41416, 42470, 45758, 46760, 51770, 59458, 67952, 72478, 76720, 82832, 84940, 91516, 93520, 103540, 114395, 118916, 144956, 148645, 160153, 169880, 181195, 183032, 207080, 228790, 237832, 289912, 297290, 320306, 339760, 362390, 366064, 414160, 457580, 475664, 579824, 594580, 640612, 709249, 724780, 800765, 915160, 1189160, 1281224, 1418498, 1449560, 1601530, 1830320, 2378320, 2562448, 2836996, 2899120, 3203060, 3546245, 4964743, 5673992, 6406120, 7092490, 9929486, 11347984, 12812240, 14184980, 19858972, 24823715, 28369960, 39717944, 49647430, 56739920, 79435888, 99294860, 198589720, 397179440]

約数ペア:

[(1, 397179440), (2, 198589720), (4, 99294860), (5, 79435888), (7, 56739920), (8, 49647430), (10, 39717944), (14, 28369960), (16, 24823715), (20, 19858972), (28, 14184980), (31, 12812240), (35, 11347984), (40, 9929486), (56, 7092490), (62, 6406120), (70, 5673992), (80, 4964743), (112, 3546245), (124, 3203060), (137, 2899120), (140, 2836996), (155, 2562448), (167, 2378320), (217, 1830320), (248, 1601530), (274, 1449560), (280, 1418498), (310, 1281224), (334, 1189160), (434, 915160), (496, 800765), (548, 724780), (560, 709249), (620, 640612), (668, 594580), (685, 579824), (835, 475664), (868, 457580), (959, 414160), (1085, 366064), (1096, 362390), (1169, 339760), (1240, 320306), (1336, 297290), (1370, 289912), (1670, 237832), (1736, 228790), (1918, 207080), (2170, 183032), (2192, 181195), (2338, 169880), (2480, 160153), (2672, 148645), (2740, 144956), (3340, 118916), (3472, 114395), (3836, 103540), (4247, 93520), (4340, 91516), (4676, 84940), (4795, 82832), (5177, 76720), (5480, 72478), (5845, 67952), (6680, 59458), (7672, 51770), (8494, 46760), (8680, 45758), (9352, 42470), (9590, 41416), (10354, 38360), (10960, 36239), (11690, 33976), (13360, 29729), (15344, 25885), (16988, 23380), (17360, 22879), (18704, 21235), (19180, 20708)]