2130700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 5468400

約数和(自身を除く): 3337700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 149, 220, 260, 275, 286, 298, 325, 550, 572, 596, 650, 715, 745, 1100, 1300, 1430, 1490, 1639, 1937, 2860, 2980, 3278, 3575, 3725, 3874, 6556, 7150, 7450, 7748, 8195, 9685, 14300, 14900, 16390, 19370, 21307, 32780, 38740, 40975, 42614, 48425, 81950, 85228, 96850, 106535, 163900, 193700, 213070, 426140, 532675, 1065350, 2130700]

約数ペア:

[(1, 2130700), (2, 1065350), (4, 532675), (5, 426140), (10, 213070), (11, 193700), (13, 163900), (20, 106535), (22, 96850), (25, 85228), (26, 81950), (44, 48425), (50, 42614), (52, 40975), (55, 38740), (65, 32780), (100, 21307), (110, 19370), (130, 16390), (143, 14900), (149, 14300), (220, 9685), (260, 8195), (275, 7748), (286, 7450), (298, 7150), (325, 6556), (550, 3874), (572, 3725), (596, 3575), (650, 3278), (715, 2980), (745, 2860), (1100, 1937), (1300, 1639), (1430, 1490)]