17899700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 108

約数和(自身を含む): 48832812

約数和(自身を除く): 30933112

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 281, 325, 350, 364, 455, 490, 562, 637, 650, 700, 910, 980, 1124, 1225, 1274, 1300, 1405, 1820, 1967, 2275, 2450, 2548, 2810, 3185, 3653, 3934, 4550, 4900, 5620, 6370, 7025, 7306, 7868, 9100, 9835, 12740, 13769, 14050, 14612, 15925, 18265, 19670, 25571, 27538, 28100, 31850, 36530, 39340, 49175, 51142, 55076, 63700, 68845, 73060, 91325, 98350, 102284, 127855, 137690, 178997, 182650, 196700, 255710, 275380, 344225, 357994, 365300, 511420, 639275, 688450, 715988, 894985, 1278550, 1376900, 1789970, 2557100, 3579940, 4474925, 8949850, 17899700]

約数ペア:

[(1, 17899700), (2, 8949850), (4, 4474925), (5, 3579940), (7, 2557100), (10, 1789970), (13, 1376900), (14, 1278550), (20, 894985), (25, 715988), (26, 688450), (28, 639275), (35, 511420), (49, 365300), (50, 357994), (52, 344225), (65, 275380), (70, 255710), (91, 196700), (98, 182650), (100, 178997), (130, 137690), (140, 127855), (175, 102284), (182, 98350), (196, 91325), (245, 73060), (260, 68845), (281, 63700), (325, 55076), (350, 51142), (364, 49175), (455, 39340), (490, 36530), (562, 31850), (637, 28100), (650, 27538), (700, 25571), (910, 19670), (980, 18265), (1124, 15925), (1225, 14612), (1274, 14050), (1300, 13769), (1405, 12740), (1820, 9835), (1967, 9100), (2275, 7868), (2450, 7306), (2548, 7025), (2810, 6370), (3185, 5620), (3653, 4900), (3934, 4550)]