86378180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4639}}^1$

素因数の和:4681

約数の個数: 72

約数和(自身を含む): 222163200

約数和(自身を除く): 135785020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4639, 4655, 9278, 9310, 18556, 18620, 23195, 32473, 46390, 64946, 88141, 92780, 129892, 162365, 176282, 227311, 324730, 352564, 440705, 454622, 616987, 649460, 881410, 909244, 1136555, 1233974, 1762820, 2273110, 2467948, 3084935, 4318909, 4546220, 6169870, 8637818, 12339740, 17275636, 21594545, 43189090, 86378180]

約数ペア:

[(1, 86378180), (2, 43189090), (4, 21594545), (5, 17275636), (7, 12339740), (10, 8637818), (14, 6169870), (19, 4546220), (20, 4318909), (28, 3084935), (35, 2467948), (38, 2273110), (49, 1762820), (70, 1233974), (76, 1136555), (95, 909244), (98, 881410), (133, 649460), (140, 616987), (190, 454622), (196, 440705), (245, 352564), (266, 324730), (380, 227311), (490, 176282), (532, 162365), (665, 129892), (931, 92780), (980, 88141), (1330, 64946), (1862, 46390), (2660, 32473), (3724, 23195), (4639, 18620), (4655, 18556), (9278, 9310)]