1908027220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{509}}^1\times {\mathrm{1549}}^1$

素因数の和:2089

約数の個数: 72

約数和(自身を含む): 4415733000

約数和(自身を除く): 2507705780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 509, 605, 1018, 1210, 1549, 2036, 2420, 2545, 3098, 5090, 5599, 6196, 7745, 10180, 11198, 15490, 17039, 22396, 27995, 30980, 34078, 55990, 61589, 68156, 85195, 111980, 123178, 170390, 187429, 246356, 307945, 340780, 374858, 615890, 749716, 788441, 937145, 1231780, 1576882, 1874290, 3153764, 3748580, 3942205, 7884410, 8672851, 15768820, 17345702, 34691404, 43364255, 86728510, 95401361, 173457020, 190802722, 381605444, 477006805, 954013610, 1908027220]

約数ペア:

[(1, 1908027220), (2, 954013610), (4, 477006805), (5, 381605444), (10, 190802722), (11, 173457020), (20, 95401361), (22, 86728510), (44, 43364255), (55, 34691404), (110, 17345702), (121, 15768820), (220, 8672851), (242, 7884410), (484, 3942205), (509, 3748580), (605, 3153764), (1018, 1874290), (1210, 1576882), (1549, 1231780), (2036, 937145), (2420, 788441), (2545, 749716), (3098, 615890), (5090, 374858), (5599, 340780), (6196, 307945), (7745, 246356), (10180, 187429), (11198, 170390), (15490, 123178), (17039, 111980), (22396, 85195), (27995, 68156), (30980, 61589), (34078, 55990)]