29911750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 62337600

約数和(自身を除く): 32425850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 125, 146, 149, 250, 275, 298, 365, 550, 730, 745, 803, 1375, 1490, 1606, 1639, 1825, 2750, 3278, 3650, 3725, 4015, 7450, 8030, 8195, 9125, 10877, 16390, 18250, 18625, 20075, 21754, 37250, 40150, 40975, 54385, 81950, 100375, 108770, 119647, 200750, 204875, 239294, 271925, 409750, 543850, 598235, 1196470, 1359625, 2719250, 2991175, 5982350, 14955875, 29911750]

約数ペア:

[(1, 29911750), (2, 14955875), (5, 5982350), (10, 2991175), (11, 2719250), (22, 1359625), (25, 1196470), (50, 598235), (55, 543850), (73, 409750), (110, 271925), (125, 239294), (146, 204875), (149, 200750), (250, 119647), (275, 108770), (298, 100375), (365, 81950), (550, 54385), (730, 40975), (745, 40150), (803, 37250), (1375, 21754), (1490, 20075), (1606, 18625), (1639, 18250), (1825, 16390), (2750, 10877), (3278, 9125), (3650, 8195), (3725, 8030), (4015, 7450)]