2912389160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 6970471200

約数和(自身を除く): 4058082040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 361, 380, 556, 695, 722, 760, 1112, 1390, 1444, 1451, 1805, 2641, 2780, 2888, 2902, 3610, 5282, 5560, 5804, 7220, 7255, 10564, 11608, 13205, 14440, 14510, 21128, 26410, 27569, 29020, 50179, 52820, 55138, 58040, 100358, 105640, 110276, 137845, 200716, 201689, 220552, 250895, 275690, 401432, 403378, 501790, 523811, 551380, 806756, 1003580, 1008445, 1047622, 1102760, 1613512, 2007160, 2016890, 2095244, 2619055, 3832091, 4033780, 4190488, 5238110, 7664182, 8067560, 10476220, 15328364, 19160455, 20952440, 30656728, 38320910, 72809729, 76641820, 145619458, 153283640, 291238916, 364048645, 582477832, 728097290, 1456194580, 2912389160]

約数ペア:

[(1, 2912389160), (2, 1456194580), (4, 728097290), (5, 582477832), (8, 364048645), (10, 291238916), (19, 153283640), (20, 145619458), (38, 76641820), (40, 72809729), (76, 38320910), (95, 30656728), (139, 20952440), (152, 19160455), (190, 15328364), (278, 10476220), (361, 8067560), (380, 7664182), (556, 5238110), (695, 4190488), (722, 4033780), (760, 3832091), (1112, 2619055), (1390, 2095244), (1444, 2016890), (1451, 2007160), (1805, 1613512), (2641, 1102760), (2780, 1047622), (2888, 1008445), (2902, 1003580), (3610, 806756), (5282, 551380), (5560, 523811), (5804, 501790), (7220, 403378), (7255, 401432), (10564, 275690), (11608, 250895), (13205, 220552), (14440, 201689), (14510, 200716), (21128, 137845), (26410, 110276), (27569, 105640), (29020, 100358), (50179, 58040), (52820, 55138)]