2745366980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{4027}}^1$

素因数の和:4508

約数の個数: 48

約数和(自身を含む): 5846722560

約数和(自身を除く): 3101355580

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 383, 445, 766, 890, 1532, 1780, 1915, 3830, 4027, 7660, 8054, 16108, 20135, 34087, 40270, 68174, 80540, 136348, 170435, 340870, 358403, 681740, 716806, 1433612, 1542341, 1792015, 3084682, 3584030, 6169364, 7168060, 7711705, 15423410, 30846820, 137268349, 274536698, 549073396, 686341745, 1372683490, 2745366980]

約数ペア:

[(1, 2745366980), (2, 1372683490), (4, 686341745), (5, 549073396), (10, 274536698), (20, 137268349), (89, 30846820), (178, 15423410), (356, 7711705), (383, 7168060), (445, 6169364), (766, 3584030), (890, 3084682), (1532, 1792015), (1780, 1542341), (1915, 1433612), (3830, 716806), (4027, 681740), (7660, 358403), (8054, 340870), (16108, 170435), (20135, 136348), (34087, 80540), (40270, 68174)]