4020500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 96

約数和(自身を含む): 10378368

約数和(自身を除く): 6357868

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 43, 44, 50, 55, 68, 85, 86, 100, 110, 125, 170, 172, 187, 215, 220, 250, 275, 340, 374, 425, 430, 473, 500, 550, 731, 748, 850, 860, 935, 946, 1075, 1100, 1375, 1462, 1700, 1870, 1892, 2125, 2150, 2365, 2750, 2924, 3655, 3740, 4250, 4300, 4675, 4730, 5375, 5500, 7310, 8041, 8500, 9350, 9460, 10750, 11825, 14620, 16082, 18275, 18700, 21500, 23375, 23650, 32164, 36550, 40205, 46750, 47300, 59125, 73100, 80410, 91375, 93500, 118250, 160820, 182750, 201025, 236500, 365500, 402050, 804100, 1005125, 2010250, 4020500]

約数ペア:

[(1, 4020500), (2, 2010250), (4, 1005125), (5, 804100), (10, 402050), (11, 365500), (17, 236500), (20, 201025), (22, 182750), (25, 160820), (34, 118250), (43, 93500), (44, 91375), (50, 80410), (55, 73100), (68, 59125), (85, 47300), (86, 46750), (100, 40205), (110, 36550), (125, 32164), (170, 23650), (172, 23375), (187, 21500), (215, 18700), (220, 18275), (250, 16082), (275, 14620), (340, 11825), (374, 10750), (425, 9460), (430, 9350), (473, 8500), (500, 8041), (550, 7310), (731, 5500), (748, 5375), (850, 4730), (860, 4675), (935, 4300), (946, 4250), (1075, 3740), (1100, 3655), (1375, 2924), (1462, 2750), (1700, 2365), (1870, 2150), (1892, 2125)]