123380620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 296755200

約数和(自身を除く): 173374580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 155, 158, 220, 229, 310, 316, 341, 395, 458, 620, 682, 790, 869, 916, 1145, 1364, 1580, 1705, 1738, 2290, 2449, 2519, 3410, 3476, 4345, 4580, 4898, 5038, 6820, 7099, 8690, 9796, 10076, 12245, 12595, 14198, 17380, 18091, 24490, 25190, 26939, 28396, 35495, 36182, 48980, 50380, 53878, 70990, 72364, 78089, 90455, 107756, 134695, 141980, 156178, 180910, 199001, 269390, 312356, 361820, 390445, 398002, 538780, 560821, 780890, 796004, 995005, 1121642, 1561780, 1990010, 2243284, 2804105, 3980020, 5608210, 6169031, 11216420, 12338062, 24676124, 30845155, 61690310, 123380620]

約数ペア:

[(1, 123380620), (2, 61690310), (4, 30845155), (5, 24676124), (10, 12338062), (11, 11216420), (20, 6169031), (22, 5608210), (31, 3980020), (44, 2804105), (55, 2243284), (62, 1990010), (79, 1561780), (110, 1121642), (124, 995005), (155, 796004), (158, 780890), (220, 560821), (229, 538780), (310, 398002), (316, 390445), (341, 361820), (395, 312356), (458, 269390), (620, 199001), (682, 180910), (790, 156178), (869, 141980), (916, 134695), (1145, 107756), (1364, 90455), (1580, 78089), (1705, 72364), (1738, 70990), (2290, 53878), (2449, 50380), (2519, 48980), (3410, 36182), (3476, 35495), (4345, 28396), (4580, 26939), (4898, 25190), (5038, 24490), (6820, 18091), (7099, 17380), (8690, 14198), (9796, 12595), (10076, 12245)]