426140

素因数分解:

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

素因数の和:182

約数の個数: 48

約数和(自身を含む): 1058400

約数和(自身を除く): 632260

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 149, 220, 260, 286, 298, 572, 596, 715, 745, 1430, 1490, 1639, 1937, 2860, 2980, 3278, 3874, 6556, 7748, 8195, 9685, 16390, 19370, 21307, 32780, 38740, 42614, 85228, 106535, 213070, 426140]

約数ペア:

[(1, 426140), (2, 213070), (4, 106535), (5, 85228), (10, 42614), (11, 38740), (13, 32780), (20, 21307), (22, 19370), (26, 16390), (44, 9685), (52, 8195), (55, 7748), (65, 6556), (110, 3874), (130, 3278), (143, 2980), (149, 2860), (220, 1937), (260, 1639), (286, 1490), (298, 1430), (572, 745), (596, 715)]