29960920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 74196000

約数和(自身を除く): 44235080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 457, 596, 745, 914, 1192, 1490, 1639, 1828, 2285, 2980, 3278, 3656, 4570, 5027, 5960, 6556, 8195, 9140, 10054, 13112, 16390, 18280, 20108, 25135, 32780, 40216, 50270, 65560, 68093, 100540, 136186, 201080, 272372, 340465, 544744, 680930, 749023, 1361860, 1498046, 2723720, 2996092, 3745115, 5992184, 7490230, 14980460, 29960920]

約数ペア:

[(1, 29960920), (2, 14980460), (4, 7490230), (5, 5992184), (8, 3745115), (10, 2996092), (11, 2723720), (20, 1498046), (22, 1361860), (40, 749023), (44, 680930), (55, 544744), (88, 340465), (110, 272372), (149, 201080), (220, 136186), (298, 100540), (440, 68093), (457, 65560), (596, 50270), (745, 40216), (914, 32780), (1192, 25135), (1490, 20108), (1639, 18280), (1828, 16390), (2285, 13112), (2980, 10054), (3278, 9140), (3656, 8195), (4570, 6556), (5027, 5960)]