1570999780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{503}}^1\times {\mathrm{3187}}^1$

素因数の和:3713

約数の個数: 72

約数和(自身を含む): 3846564288

約数和(自身を除く): 2275564508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 503, 980, 1006, 2012, 2515, 3187, 3521, 5030, 6374, 7042, 10060, 12748, 14084, 15935, 17605, 22309, 24647, 31870, 35210, 44618, 49294, 63740, 70420, 89236, 98588, 111545, 123235, 156163, 223090, 246470, 312326, 446180, 492940, 624652, 780815, 1561630, 1603061, 3123260, 3206122, 6412244, 8015305, 11221427, 16030610, 22442854, 32061220, 44885708, 56107135, 78549989, 112214270, 157099978, 224428540, 314199956, 392749945, 785499890, 1570999780]

約数ペア:

[(1, 1570999780), (2, 785499890), (4, 392749945), (5, 314199956), (7, 224428540), (10, 157099978), (14, 112214270), (20, 78549989), (28, 56107135), (35, 44885708), (49, 32061220), (70, 22442854), (98, 16030610), (140, 11221427), (196, 8015305), (245, 6412244), (490, 3206122), (503, 3123260), (980, 1603061), (1006, 1561630), (2012, 780815), (2515, 624652), (3187, 492940), (3521, 446180), (5030, 312326), (6374, 246470), (7042, 223090), (10060, 156163), (12748, 123235), (14084, 111545), (15935, 98588), (17605, 89236), (22309, 70420), (24647, 63740), (31870, 49294), (35210, 44618)]