400367620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 936230400

約数和(自身を除く): 535862780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 47, 58, 76, 94, 95, 116, 145, 188, 190, 235, 290, 380, 470, 551, 580, 773, 893, 940, 1102, 1363, 1546, 1786, 2204, 2726, 2755, 3092, 3572, 3865, 4465, 5452, 5510, 6815, 7730, 8930, 11020, 13630, 14687, 15460, 17860, 22417, 25897, 27260, 29374, 36331, 44834, 51794, 58748, 72662, 73435, 89668, 103588, 112085, 129485, 145324, 146870, 181655, 224170, 258970, 293740, 363310, 425923, 448340, 517940, 690289, 726620, 851846, 1053599, 1380578, 1703692, 2107198, 2129615, 2761156, 3451445, 4214396, 4259230, 5267995, 6902890, 8518460, 10535990, 13805780, 20018381, 21071980, 40036762, 80073524, 100091905, 200183810, 400367620]

約数ペア:

[(1, 400367620), (2, 200183810), (4, 100091905), (5, 80073524), (10, 40036762), (19, 21071980), (20, 20018381), (29, 13805780), (38, 10535990), (47, 8518460), (58, 6902890), (76, 5267995), (94, 4259230), (95, 4214396), (116, 3451445), (145, 2761156), (188, 2129615), (190, 2107198), (235, 1703692), (290, 1380578), (380, 1053599), (470, 851846), (551, 726620), (580, 690289), (773, 517940), (893, 448340), (940, 425923), (1102, 363310), (1363, 293740), (1546, 258970), (1786, 224170), (2204, 181655), (2726, 146870), (2755, 145324), (3092, 129485), (3572, 112085), (3865, 103588), (4465, 89668), (5452, 73435), (5510, 72662), (6815, 58748), (7730, 51794), (8930, 44834), (11020, 36331), (13630, 29374), (14687, 27260), (15460, 25897), (17860, 22417)]