1640358730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{26729}}^1$

素因数の和:26791

約数の個数: 48

約数和(自身を含む): 3299658120

約数和(自身を除く): 1659299390

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 361, 646, 722, 1615, 1805, 3230, 3610, 6137, 12274, 26729, 30685, 53458, 61370, 133645, 267290, 454393, 507851, 908786, 1015702, 2271965, 2539255, 4543930, 5078510, 8633467, 9649169, 17266934, 19298338, 43167335, 48245845, 86334670, 96491690, 164035873, 328071746, 820179365, 1640358730]

約数ペア:

[(1, 1640358730), (2, 820179365), (5, 328071746), (10, 164035873), (17, 96491690), (19, 86334670), (34, 48245845), (38, 43167335), (85, 19298338), (95, 17266934), (170, 9649169), (190, 8633467), (323, 5078510), (361, 4543930), (646, 2539255), (722, 2271965), (1615, 1015702), (1805, 908786), (3230, 507851), (3610, 454393), (6137, 267290), (12274, 133645), (26729, 61370), (30685, 53458)]