872213860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{214831}}^1$

素因数の和:214876

約数の個数: 48

約数和(自身を含む): 2165506560

約数和(自身を除く): 1293292700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 214831, 429662, 859324, 1074155, 1503817, 2148310, 3007634, 4296620, 6015268, 6230099, 7519085, 12460198, 15038170, 24920396, 30076340, 31150495, 43610693, 62300990, 87221386, 124601980, 174442772, 218053465, 436106930, 872213860]

約数ペア:

[(1, 872213860), (2, 436106930), (4, 218053465), (5, 174442772), (7, 124601980), (10, 87221386), (14, 62300990), (20, 43610693), (28, 31150495), (29, 30076340), (35, 24920396), (58, 15038170), (70, 12460198), (116, 7519085), (140, 6230099), (145, 6015268), (203, 4296620), (290, 3007634), (406, 2148310), (580, 1503817), (812, 1074155), (1015, 859324), (2030, 429662), (4060, 214831)]