1230338920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{55823}}^1$

素因数の和:55882

約数の個数: 64

約数和(自身を含む): 3014496000

約数和(自身を除く): 1784157080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 11020, 22040, 55823, 111646, 223292, 279115, 446584, 558230, 1060637, 1116460, 1618867, 2121274, 2232920, 3237734, 4242548, 5303185, 6475468, 8094335, 8485096, 10606370, 12950936, 16188670, 21212740, 30758473, 32377340, 42425480, 61516946, 64754680, 123033892, 153792365, 246067784, 307584730, 615169460, 1230338920]

約数ペア:

[(1, 1230338920), (2, 615169460), (4, 307584730), (5, 246067784), (8, 153792365), (10, 123033892), (19, 64754680), (20, 61516946), (29, 42425480), (38, 32377340), (40, 30758473), (58, 21212740), (76, 16188670), (95, 12950936), (116, 10606370), (145, 8485096), (152, 8094335), (190, 6475468), (232, 5303185), (290, 4242548), (380, 3237734), (551, 2232920), (580, 2121274), (760, 1618867), (1102, 1116460), (1160, 1060637), (2204, 558230), (2755, 446584), (4408, 279115), (5510, 223292), (11020, 111646), (22040, 55823)]