890177930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 1736380800

約数和(自身を除く): 846202870

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 109, 190, 218, 265, 530, 545, 811, 1007, 1090, 1622, 2014, 2071, 4055, 4142, 5035, 5777, 8110, 10070, 10355, 11554, 15409, 20710, 28885, 30818, 42983, 57770, 77045, 85966, 88399, 109763, 154090, 176798, 214915, 219526, 429830, 441995, 548815, 816677, 883990, 1097630, 1633354, 1679581, 3359162, 4083385, 4685147, 8166770, 8397905, 9370294, 16795810, 23425735, 46851470, 89017793, 178035586, 445088965, 890177930]

約数ペア:

[(1, 890177930), (2, 445088965), (5, 178035586), (10, 89017793), (19, 46851470), (38, 23425735), (53, 16795810), (95, 9370294), (106, 8397905), (109, 8166770), (190, 4685147), (218, 4083385), (265, 3359162), (530, 1679581), (545, 1633354), (811, 1097630), (1007, 883990), (1090, 816677), (1622, 548815), (2014, 441995), (2071, 429830), (4055, 219526), (4142, 214915), (5035, 176798), (5777, 154090), (8110, 109763), (10070, 88399), (10355, 85966), (11554, 77045), (15409, 57770), (20710, 42983), (28885, 30818)]