40902890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 87588864

約数和(自身を除く): 46685974

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 107, 127, 214, 215, 254, 301, 430, 535, 602, 635, 749, 889, 1070, 1270, 1498, 1505, 1778, 3010, 3745, 4445, 4601, 5461, 7490, 8890, 9202, 10922, 13589, 23005, 27178, 27305, 32207, 38227, 46010, 54610, 64414, 67945, 76454, 95123, 135890, 161035, 190246, 191135, 322070, 382270, 475615, 584327, 951230, 1168654, 2921635, 4090289, 5843270, 8180578, 20451445, 40902890]

約数ペア:

[(1, 40902890), (2, 20451445), (5, 8180578), (7, 5843270), (10, 4090289), (14, 2921635), (35, 1168654), (43, 951230), (70, 584327), (86, 475615), (107, 382270), (127, 322070), (214, 191135), (215, 190246), (254, 161035), (301, 135890), (430, 95123), (535, 76454), (602, 67945), (635, 64414), (749, 54610), (889, 46010), (1070, 38227), (1270, 32207), (1498, 27305), (1505, 27178), (1778, 23005), (3010, 13589), (3745, 10922), (4445, 9202), (4601, 8890), (5461, 7490)]