2798730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 72

約数和(自身を含む): 8029476

約数和(自身を除く): 5230746

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 257, 330, 363, 495, 514, 605, 726, 771, 990, 1089, 1210, 1285, 1542, 1815, 2178, 2313, 2570, 2827, 3630, 3855, 4626, 5445, 5654, 7710, 8481, 10890, 11565, 14135, 16962, 23130, 25443, 28270, 31097, 42405, 50886, 62194, 84810, 93291, 127215, 155485, 186582, 254430, 279873, 310970, 466455, 559746, 932910, 1399365, 2798730]

約数ペア:

[(1, 2798730), (2, 1399365), (3, 932910), (5, 559746), (6, 466455), (9, 310970), (10, 279873), (11, 254430), (15, 186582), (18, 155485), (22, 127215), (30, 93291), (33, 84810), (45, 62194), (55, 50886), (66, 42405), (90, 31097), (99, 28270), (110, 25443), (121, 23130), (165, 16962), (198, 14135), (242, 11565), (257, 10890), (330, 8481), (363, 7710), (495, 5654), (514, 5445), (605, 4626), (726, 3855), (771, 3630), (990, 2827), (1089, 2570), (1210, 2313), (1285, 2178), (1542, 1815)]