4221580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 5777780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 619, 620, 682, 1238, 1364, 1705, 2476, 3095, 3410, 6190, 6809, 6820, 12380, 13618, 19189, 27236, 34045, 38378, 68090, 76756, 95945, 136180, 191890, 211079, 383780, 422158, 844316, 1055395, 2110790, 4221580]

約数ペア:

[(1, 4221580), (2, 2110790), (4, 1055395), (5, 844316), (10, 422158), (11, 383780), (20, 211079), (22, 191890), (31, 136180), (44, 95945), (55, 76756), (62, 68090), (110, 38378), (124, 34045), (155, 27236), (220, 19189), (310, 13618), (341, 12380), (619, 6820), (620, 6809), (682, 6190), (1238, 3410), (1364, 3095), (1705, 2476)]