2012307860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{2557}}^1$

素因数の和:2713

約数の個数: 72

約数和(自身を含む): 4502642760

約数和(自身を除く): 2490334900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 361, 380, 436, 545, 722, 1090, 1444, 1805, 2071, 2180, 2557, 3610, 4142, 5114, 7220, 8284, 10228, 10355, 12785, 20710, 25570, 39349, 41420, 48583, 51140, 78698, 97166, 157396, 194332, 196745, 242915, 278713, 393490, 485830, 557426, 786980, 923077, 971660, 1114852, 1393565, 1846154, 2787130, 3692308, 4615385, 5295547, 5574260, 9230770, 10591094, 18461540, 21182188, 26477735, 52955470, 100615393, 105910940, 201230786, 402461572, 503076965, 1006153930, 2012307860]

約数ペア:

[(1, 2012307860), (2, 1006153930), (4, 503076965), (5, 402461572), (10, 201230786), (19, 105910940), (20, 100615393), (38, 52955470), (76, 26477735), (95, 21182188), (109, 18461540), (190, 10591094), (218, 9230770), (361, 5574260), (380, 5295547), (436, 4615385), (545, 3692308), (722, 2787130), (1090, 1846154), (1444, 1393565), (1805, 1114852), (2071, 971660), (2180, 923077), (2557, 786980), (3610, 557426), (4142, 485830), (5114, 393490), (7220, 278713), (8284, 242915), (10228, 196745), (10355, 194332), (12785, 157396), (20710, 97166), (25570, 78698), (39349, 51140), (41420, 48583)]