68464220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1539

約数の個数: 72

約数和(自身を含む): 166462800

約数和(自身を除く): 97998580

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, 1489, 2090, 2299, 2420, 2978, 4180, 4598, 5956, 7445, 9196, 11495, 14890, 16379, 22990, 28291, 29780, 32758, 45980, 56582, 65516, 81895, 113164, 141455, 163790, 180169, 282910, 311201, 327580, 360338, 565820, 622402, 720676, 900845, 1244804, 1556005, 1801690, 3112010, 3423211, 3603380, 6224020, 6846422, 13692844, 17116055, 34232110, 68464220]

約数ペア:

[(1, 68464220), (2, 34232110), (4, 17116055), (5, 13692844), (10, 6846422), (11, 6224020), (19, 3603380), (20, 3423211), (22, 3112010), (38, 1801690), (44, 1556005), (55, 1244804), (76, 900845), (95, 720676), (110, 622402), (121, 565820), (190, 360338), (209, 327580), (220, 311201), (242, 282910), (380, 180169), (418, 163790), (484, 141455), (605, 113164), (836, 81895), (1045, 65516), (1210, 56582), (1489, 45980), (2090, 32758), (2299, 29780), (2420, 28291), (2978, 22990), (4180, 16379), (4598, 14890), (5956, 11495), (7445, 9196)]