198109840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 521109504

約数和(自身を除く): 322999664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 37, 40, 62, 68, 74, 80, 85, 124, 127, 136, 148, 155, 170, 185, 248, 254, 272, 296, 310, 340, 370, 496, 508, 527, 592, 620, 629, 635, 680, 740, 1016, 1054, 1147, 1240, 1258, 1270, 1360, 1480, 2032, 2108, 2159, 2294, 2480, 2516, 2540, 2635, 2960, 3145, 3937, 4216, 4318, 4588, 4699, 5032, 5080, 5270, 5735, 6290, 7874, 8432, 8636, 9176, 9398, 10064, 10160, 10540, 10795, 11470, 12580, 15748, 17272, 18352, 18796, 19499, 19685, 21080, 21590, 22940, 23495, 25160, 31496, 34544, 37592, 38998, 39370, 42160, 43180, 45880, 46990, 50320, 62992, 66929, 75184, 77996, 78740, 79883, 86360, 91760, 93980, 97495, 133858, 145669, 155992, 157480, 159766, 172720, 187960, 194990, 267716, 291338, 311984, 314960, 319532, 334645, 375920, 389980, 399415, 535432, 582676, 639064, 669290, 728345, 779960, 798830, 1070864, 1165352, 1278128, 1338580, 1456690, 1559920, 1597660, 2330704, 2476373, 2677160, 2913380, 3195320, 4952746, 5354320, 5826760, 6390640, 9905492, 11653520, 12381865, 19810984, 24763730, 39621968, 49527460, 99054920, 198109840]

約数ペア:

[(1, 198109840), (2, 99054920), (4, 49527460), (5, 39621968), (8, 24763730), (10, 19810984), (16, 12381865), (17, 11653520), (20, 9905492), (31, 6390640), (34, 5826760), (37, 5354320), (40, 4952746), (62, 3195320), (68, 2913380), (74, 2677160), (80, 2476373), (85, 2330704), (124, 1597660), (127, 1559920), (136, 1456690), (148, 1338580), (155, 1278128), (170, 1165352), (185, 1070864), (248, 798830), (254, 779960), (272, 728345), (296, 669290), (310, 639064), (340, 582676), (370, 535432), (496, 399415), (508, 389980), (527, 375920), (592, 334645), (620, 319532), (629, 314960), (635, 311984), (680, 291338), (740, 267716), (1016, 194990), (1054, 187960), (1147, 172720), (1240, 159766), (1258, 157480), (1270, 155992), (1360, 145669), (1480, 133858), (2032, 97495), (2108, 93980), (2159, 91760), (2294, 86360), (2480, 79883), (2516, 78740), (2540, 77996), (2635, 75184), (2960, 66929), (3145, 62992), (3937, 50320), (4216, 46990), (4318, 45880), (4588, 43180), (4699, 42160), (5032, 39370), (5080, 38998), (5270, 37592), (5735, 34544), (6290, 31496), (7874, 25160), (8432, 23495), (8636, 22940), (9176, 21590), (9398, 21080), (10064, 19685), (10160, 19499), (10540, 18796), (10795, 18352), (11470, 17272), (12580, 15748)]