90298040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 244408320

約数和(自身を除く): 154110280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 101, 103, 124, 140, 155, 202, 206, 217, 248, 280, 310, 404, 412, 434, 505, 515, 620, 707, 721, 808, 824, 868, 1010, 1030, 1085, 1240, 1414, 1442, 1736, 2020, 2060, 2170, 2828, 2884, 3131, 3193, 3535, 3605, 4040, 4120, 4340, 5656, 5768, 6262, 6386, 7070, 7210, 8680, 10403, 12524, 12772, 14140, 14420, 15655, 15965, 20806, 21917, 22351, 25048, 25544, 28280, 28840, 31310, 31930, 41612, 43834, 44702, 52015, 62620, 63860, 72821, 83224, 87668, 89404, 104030, 109585, 111755, 125240, 127720, 145642, 175336, 178808, 208060, 219170, 223510, 291284, 322493, 364105, 416120, 438340, 447020, 582568, 644986, 728210, 876680, 894040, 1289972, 1456420, 1612465, 2257451, 2579944, 2912840, 3224930, 4514902, 6449860, 9029804, 11287255, 12899720, 18059608, 22574510, 45149020, 90298040]

約数ペア:

[(1, 90298040), (2, 45149020), (4, 22574510), (5, 18059608), (7, 12899720), (8, 11287255), (10, 9029804), (14, 6449860), (20, 4514902), (28, 3224930), (31, 2912840), (35, 2579944), (40, 2257451), (56, 1612465), (62, 1456420), (70, 1289972), (101, 894040), (103, 876680), (124, 728210), (140, 644986), (155, 582568), (202, 447020), (206, 438340), (217, 416120), (248, 364105), (280, 322493), (310, 291284), (404, 223510), (412, 219170), (434, 208060), (505, 178808), (515, 175336), (620, 145642), (707, 127720), (721, 125240), (808, 111755), (824, 109585), (868, 104030), (1010, 89404), (1030, 87668), (1085, 83224), (1240, 72821), (1414, 63860), (1442, 62620), (1736, 52015), (2020, 44702), (2060, 43834), (2170, 41612), (2828, 31930), (2884, 31310), (3131, 28840), (3193, 28280), (3535, 25544), (3605, 25048), (4040, 22351), (4120, 21917), (4340, 20806), (5656, 15965), (5768, 15655), (6262, 14420), (6386, 14140), (7070, 12772), (7210, 12524), (8680, 10403)]