420803570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 852405120

約数和(自身を除く): 431601550

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 89, 106, 110, 178, 265, 445, 530, 583, 811, 890, 979, 1166, 1622, 1958, 2915, 4055, 4717, 4895, 5830, 8110, 8921, 9434, 9790, 17842, 23585, 42983, 44605, 47170, 51887, 72179, 85966, 89210, 103774, 144358, 214915, 259435, 360895, 429830, 472813, 518870, 721790, 793969, 945626, 1587938, 2364065, 3825487, 3969845, 4728130, 7650974, 7939690, 19127435, 38254870, 42080357, 84160714, 210401785, 420803570]

約数ペア:

[(1, 420803570), (2, 210401785), (5, 84160714), (10, 42080357), (11, 38254870), (22, 19127435), (53, 7939690), (55, 7650974), (89, 4728130), (106, 3969845), (110, 3825487), (178, 2364065), (265, 1587938), (445, 945626), (530, 793969), (583, 721790), (811, 518870), (890, 472813), (979, 429830), (1166, 360895), (1622, 259435), (1958, 214915), (2915, 144358), (4055, 103774), (4717, 89210), (4895, 85966), (5830, 72179), (8110, 51887), (8921, 47170), (9434, 44605), (9790, 42983), (17842, 23585)]