1276394920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2475

約数の個数: 96

約数和(自身を含む): 3114217800

約数和(自身を除く): 1837822880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 361, 370, 380, 703, 722, 740, 760, 1406, 1444, 1480, 1805, 2389, 2812, 2888, 3515, 3610, 4778, 5624, 7030, 7220, 9556, 11945, 13357, 14060, 14440, 19112, 23890, 26714, 28120, 45391, 47780, 53428, 66785, 88393, 90782, 95560, 106856, 133570, 176786, 181564, 226955, 267140, 353572, 363128, 441965, 453910, 534280, 707144, 862429, 883930, 907820, 1679467, 1724858, 1767860, 1815640, 3358934, 3449716, 3535720, 4312145, 6717868, 6899432, 8397335, 8624290, 13435736, 16794670, 17248580, 31909873, 33589340, 34497160, 63819746, 67178680, 127639492, 159549365, 255278984, 319098730, 638197460, 1276394920]

約数ペア:

[(1, 1276394920), (2, 638197460), (4, 319098730), (5, 255278984), (8, 159549365), (10, 127639492), (19, 67178680), (20, 63819746), (37, 34497160), (38, 33589340), (40, 31909873), (74, 17248580), (76, 16794670), (95, 13435736), (148, 8624290), (152, 8397335), (185, 6899432), (190, 6717868), (296, 4312145), (361, 3535720), (370, 3449716), (380, 3358934), (703, 1815640), (722, 1767860), (740, 1724858), (760, 1679467), (1406, 907820), (1444, 883930), (1480, 862429), (1805, 707144), (2389, 534280), (2812, 453910), (2888, 441965), (3515, 363128), (3610, 353572), (4778, 267140), (5624, 226955), (7030, 181564), (7220, 176786), (9556, 133570), (11945, 106856), (13357, 95560), (14060, 90782), (14440, 88393), (19112, 66785), (23890, 53428), (26714, 47780), (28120, 45391)]