1401590980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1\times {\mathrm{1777}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 2979572400

約数和(自身を除く): 1577981420

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 349, 452, 565, 698, 1130, 1396, 1745, 1777, 2260, 3490, 3554, 6980, 7108, 8885, 17770, 35540, 39437, 78874, 157748, 197185, 200801, 394370, 401602, 620173, 788740, 803204, 1004005, 1240346, 2008010, 2480692, 3100865, 4016020, 6201730, 12403460, 70079549, 140159098, 280318196, 350397745, 700795490, 1401590980]

約数ペア:

[(1, 1401590980), (2, 700795490), (4, 350397745), (5, 280318196), (10, 140159098), (20, 70079549), (113, 12403460), (226, 6201730), (349, 4016020), (452, 3100865), (565, 2480692), (698, 2008010), (1130, 1240346), (1396, 1004005), (1745, 803204), (1777, 788740), (2260, 620173), (3490, 401602), (3554, 394370), (6980, 200801), (7108, 197185), (8885, 157748), (17770, 78874), (35540, 39437)]