1889707960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{10903}}^1$

素因数の和:11540

約数の個数: 64

約数和(自身を含む): 4867545600

約数和(自身を除く): 2977837640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 619, 1238, 2476, 3095, 4333, 4952, 6190, 8666, 10903, 12380, 17332, 21665, 21806, 24760, 34664, 43330, 43612, 54515, 76321, 86660, 87224, 109030, 152642, 173320, 218060, 305284, 381605, 436120, 610568, 763210, 1526420, 3052840, 6748957, 13497914, 26995828, 33744785, 47242699, 53991656, 67489570, 94485398, 134979140, 188970796, 236213495, 269958280, 377941592, 472426990, 944853980, 1889707960]

約数ペア:

[(1, 1889707960), (2, 944853980), (4, 472426990), (5, 377941592), (7, 269958280), (8, 236213495), (10, 188970796), (14, 134979140), (20, 94485398), (28, 67489570), (35, 53991656), (40, 47242699), (56, 33744785), (70, 26995828), (140, 13497914), (280, 6748957), (619, 3052840), (1238, 1526420), (2476, 763210), (3095, 610568), (4333, 436120), (4952, 381605), (6190, 305284), (8666, 218060), (10903, 173320), (12380, 152642), (17332, 109030), (21665, 87224), (21806, 86660), (24760, 76321), (34664, 54515), (43330, 43612)]