128950290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1256

約数の個数: 96

約数和(自身を含む): 385482240

約数和(自身を除く): 256531950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 197, 210, 315, 394, 591, 630, 985, 1039, 1182, 1379, 1773, 1970, 2078, 2758, 2955, 3117, 3546, 4137, 5195, 5910, 6234, 6895, 7273, 8274, 8865, 9351, 10390, 12411, 13790, 14546, 15585, 17730, 18702, 20685, 21819, 24822, 31170, 36365, 41370, 43638, 46755, 62055, 65457, 72730, 93510, 109095, 124110, 130914, 204683, 218190, 327285, 409366, 614049, 654570, 1023415, 1228098, 1432781, 1842147, 2046830, 2865562, 3070245, 3684294, 4298343, 6140490, 7163905, 8596686, 9210735, 12895029, 14327810, 18421470, 21491715, 25790058, 42983430, 64475145, 128950290]

約数ペア:

[(1, 128950290), (2, 64475145), (3, 42983430), (5, 25790058), (6, 21491715), (7, 18421470), (9, 14327810), (10, 12895029), (14, 9210735), (15, 8596686), (18, 7163905), (21, 6140490), (30, 4298343), (35, 3684294), (42, 3070245), (45, 2865562), (63, 2046830), (70, 1842147), (90, 1432781), (105, 1228098), (126, 1023415), (197, 654570), (210, 614049), (315, 409366), (394, 327285), (591, 218190), (630, 204683), (985, 130914), (1039, 124110), (1182, 109095), (1379, 93510), (1773, 72730), (1970, 65457), (2078, 62055), (2758, 46755), (2955, 43638), (3117, 41370), (3546, 36365), (4137, 31170), (5195, 24822), (5910, 21819), (6234, 20685), (6895, 18702), (7273, 17730), (8274, 15585), (8865, 14546), (9351, 13790), (10390, 12411)]