2947338045140

素因数分解:

$2^2\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{4987}}^1\times {\mathrm{14827}}^1$

素因数の和:21816

約数の個数: 48

約数和(自身を含む): 6194174935872

約数和(自身を除く): 3246836890732

約数列:

[1, 2, 4, 5, 10, 20, 1993, 3986, 4987, 7972, 9965, 9974, 14827, 19930, 19948, 24935, 29654, 39860, 49870, 59308, 74135, 99740, 148270, 296540, 9939091, 19878182, 29550211, 39756364, 49695455, 59100422, 73942249, 99390910, 118200844, 147751055, 147884498, 198781820, 295502110, 295768996, 369711245, 591004220, 739422490, 1478844980, 147366902257, 294733804514, 589467609028, 736834511285, 1473669022570, 2947338045140]

約数ペア:

[(1, 2947338045140), (2, 1473669022570), (4, 736834511285), (5, 589467609028), (10, 294733804514), (20, 147366902257), (1993, 1478844980), (3986, 739422490), (4987, 591004220), (7972, 369711245), (9965, 295768996), (9974, 295502110), (14827, 198781820), (19930, 147884498), (19948, 147751055), (24935, 118200844), (29654, 99390910), (39860, 73942249), (49870, 59100422), (59308, 49695455), (74135, 39756364), (99740, 29550211), (148270, 19878182), (296540, 9939091)]