1214840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 3016440

約数和(自身を除く): 1801600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 251, 440, 484, 502, 605, 968, 1004, 1210, 1255, 2008, 2420, 2510, 2761, 4840, 5020, 5522, 10040, 11044, 13805, 22088, 27610, 30371, 55220, 60742, 110440, 121484, 151855, 242968, 303710, 607420, 1214840]

約数ペア:

[(1, 1214840), (2, 607420), (4, 303710), (5, 242968), (8, 151855), (10, 121484), (11, 110440), (20, 60742), (22, 55220), (40, 30371), (44, 27610), (55, 22088), (88, 13805), (110, 11044), (121, 10040), (220, 5522), (242, 5020), (251, 4840), (440, 2761), (484, 2510), (502, 2420), (605, 2008), (968, 1255), (1004, 1210)]