1900676540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2227

約数の個数: 96

約数和(自身を含む): 4699774464

約数和(自身を除く): 2799097924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 157, 172, 215, 301, 314, 430, 602, 628, 785, 860, 1099, 1204, 1505, 1570, 2011, 2198, 3010, 3140, 4022, 4396, 5495, 6020, 6751, 8044, 10055, 10990, 13502, 14077, 20110, 21980, 27004, 28154, 33755, 40220, 47257, 56308, 67510, 70385, 86473, 94514, 135020, 140770, 172946, 189028, 236285, 281540, 315727, 345892, 432365, 472570, 605311, 631454, 864730, 945140, 1210622, 1262908, 1578635, 1729460, 2210089, 2421244, 3026555, 3157270, 4420178, 6053110, 6314540, 8840356, 11050445, 12106220, 13576261, 22100890, 27152522, 44201780, 54305044, 67881305, 95033827, 135762610, 190067654, 271525220, 380135308, 475169135, 950338270, 1900676540]

約数ペア:

[(1, 1900676540), (2, 950338270), (4, 475169135), (5, 380135308), (7, 271525220), (10, 190067654), (14, 135762610), (20, 95033827), (28, 67881305), (35, 54305044), (43, 44201780), (70, 27152522), (86, 22100890), (140, 13576261), (157, 12106220), (172, 11050445), (215, 8840356), (301, 6314540), (314, 6053110), (430, 4420178), (602, 3157270), (628, 3026555), (785, 2421244), (860, 2210089), (1099, 1729460), (1204, 1578635), (1505, 1262908), (1570, 1210622), (2011, 945140), (2198, 864730), (3010, 631454), (3140, 605311), (4022, 472570), (4396, 432365), (5495, 345892), (6020, 315727), (6751, 281540), (8044, 236285), (10055, 189028), (10990, 172946), (13502, 140770), (14077, 135020), (20110, 94514), (21980, 86473), (27004, 70385), (28154, 67510), (33755, 56308), (40220, 47257)]