9907940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 26417664

約数和(自身を除く): 16509724

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 181, 230, 238, 322, 340, 362, 391, 460, 476, 595, 644, 724, 782, 805, 905, 1190, 1267, 1564, 1610, 1810, 1955, 2380, 2534, 2737, 3077, 3220, 3620, 3910, 4163, 5068, 5474, 6154, 6335, 7820, 8326, 10948, 12308, 12670, 13685, 15385, 16652, 20815, 21539, 25340, 27370, 29141, 30770, 41630, 43078, 54740, 58282, 61540, 70771, 83260, 86156, 107695, 116564, 141542, 145705, 215390, 283084, 291410, 353855, 430780, 495397, 582820, 707710, 990794, 1415420, 1981588, 2476985, 4953970, 9907940]

約数ペア:

[(1, 9907940), (2, 4953970), (4, 2476985), (5, 1981588), (7, 1415420), (10, 990794), (14, 707710), (17, 582820), (20, 495397), (23, 430780), (28, 353855), (34, 291410), (35, 283084), (46, 215390), (68, 145705), (70, 141542), (85, 116564), (92, 107695), (115, 86156), (119, 83260), (140, 70771), (161, 61540), (170, 58282), (181, 54740), (230, 43078), (238, 41630), (322, 30770), (340, 29141), (362, 27370), (391, 25340), (460, 21539), (476, 20815), (595, 16652), (644, 15385), (724, 13685), (782, 12670), (805, 12308), (905, 10948), (1190, 8326), (1267, 7820), (1564, 6335), (1610, 6154), (1810, 5474), (1955, 5068), (2380, 4163), (2534, 3910), (2737, 3620), (3077, 3220)]