1900951640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{41651}}^1$

素因数の和:41832

約数の個数: 64

約数和(自身を含む): 4918268160

約数和(自身を除く): 3017316520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 11410, 22820, 41651, 45640, 83302, 166604, 208255, 291557, 333208, 416510, 583114, 833020, 1166228, 1457785, 1666040, 2332456, 2915570, 5831140, 6789113, 11662280, 13578226, 27156452, 33945565, 47523791, 54312904, 67891130, 95047582, 135782260, 190095164, 237618955, 271564520, 380190328, 475237910, 950475820, 1900951640]

約数ペア:

[(1, 1900951640), (2, 950475820), (4, 475237910), (5, 380190328), (7, 271564520), (8, 237618955), (10, 190095164), (14, 135782260), (20, 95047582), (28, 67891130), (35, 54312904), (40, 47523791), (56, 33945565), (70, 27156452), (140, 13578226), (163, 11662280), (280, 6789113), (326, 5831140), (652, 2915570), (815, 2332456), (1141, 1666040), (1304, 1457785), (1630, 1166228), (2282, 833020), (3260, 583114), (4564, 416510), (5705, 333208), (6520, 291557), (9128, 208255), (11410, 166604), (22820, 83302), (41651, 45640)]