937946020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{20399}}^1$

素因数の和:20449

約数の個数: 72

約数和(自身を含む): 2279088000

約数和(自身を除く): 1341141980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 9196, 11495, 20399, 22990, 40798, 45980, 81596, 101995, 203990, 224389, 387581, 407980, 448778, 775162, 897556, 1121945, 1550324, 1937905, 2243890, 2468279, 3875810, 4263391, 4487780, 4936558, 7751620, 8526782, 9873116, 12341395, 17053564, 21316955, 24682790, 42633910, 46897301, 49365580, 85267820, 93794602, 187589204, 234486505, 468973010, 937946020]

約数ペア:

[(1, 937946020), (2, 468973010), (4, 234486505), (5, 187589204), (10, 93794602), (11, 85267820), (19, 49365580), (20, 46897301), (22, 42633910), (38, 24682790), (44, 21316955), (55, 17053564), (76, 12341395), (95, 9873116), (110, 8526782), (121, 7751620), (190, 4936558), (209, 4487780), (220, 4263391), (242, 3875810), (380, 2468279), (418, 2243890), (484, 1937905), (605, 1550324), (836, 1121945), (1045, 897556), (1210, 775162), (2090, 448778), (2299, 407980), (2420, 387581), (4180, 224389), (4598, 203990), (9196, 101995), (11495, 81596), (20399, 45980), (22990, 40798)]