2015264450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 3979834560

約数和(自身を除く): 1964570110

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 311, 359, 361, 475, 622, 718, 722, 950, 1555, 1795, 1805, 3110, 3590, 3610, 5909, 6821, 7775, 8975, 9025, 11818, 13642, 15550, 17950, 18050, 29545, 34105, 59090, 68210, 111649, 112271, 129599, 147725, 170525, 223298, 224542, 259198, 295450, 341050, 558245, 561355, 647995, 1116490, 1122710, 1295990, 2121331, 2791225, 2806775, 3239975, 4242662, 5582450, 5613550, 6479950, 10606655, 21213310, 40305289, 53033275, 80610578, 106066550, 201526445, 403052890, 1007632225, 2015264450]

約数ペア:

[(1, 2015264450), (2, 1007632225), (5, 403052890), (10, 201526445), (19, 106066550), (25, 80610578), (38, 53033275), (50, 40305289), (95, 21213310), (190, 10606655), (311, 6479950), (359, 5613550), (361, 5582450), (475, 4242662), (622, 3239975), (718, 2806775), (722, 2791225), (950, 2121331), (1555, 1295990), (1795, 1122710), (1805, 1116490), (3110, 647995), (3590, 561355), (3610, 558245), (5909, 341050), (6821, 295450), (7775, 259198), (8975, 224542), (9025, 223298), (11818, 170525), (13642, 147725), (15550, 129599), (17950, 112271), (18050, 111649), (29545, 68210), (34105, 59090)]