2485340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 6256320

約数和(自身を除く): 3770980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 121, 130, 143, 158, 220, 242, 260, 286, 316, 395, 484, 572, 605, 715, 790, 869, 1027, 1210, 1430, 1573, 1580, 1738, 2054, 2420, 2860, 3146, 3476, 4108, 4345, 5135, 6292, 7865, 8690, 9559, 10270, 11297, 15730, 17380, 19118, 20540, 22594, 31460, 38236, 45188, 47795, 56485, 95590, 112970, 124267, 191180, 225940, 248534, 497068, 621335, 1242670, 2485340]

約数ペア:

[(1, 2485340), (2, 1242670), (4, 621335), (5, 497068), (10, 248534), (11, 225940), (13, 191180), (20, 124267), (22, 112970), (26, 95590), (44, 56485), (52, 47795), (55, 45188), (65, 38236), (79, 31460), (110, 22594), (121, 20540), (130, 19118), (143, 17380), (158, 15730), (220, 11297), (242, 10270), (260, 9559), (286, 8690), (316, 7865), (395, 6292), (484, 5135), (572, 4345), (605, 4108), (715, 3476), (790, 3146), (869, 2860), (1027, 2420), (1210, 2054), (1430, 1738), (1573, 1580)]