8230420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 20109600

約数和(自身を除く): 11879180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 179, 190, 209, 220, 242, 358, 380, 418, 484, 605, 716, 836, 895, 1045, 1210, 1790, 1969, 2090, 2299, 2420, 3401, 3580, 3938, 4180, 4598, 6802, 7876, 9196, 9845, 11495, 13604, 17005, 19690, 21659, 22990, 34010, 37411, 39380, 43318, 45980, 68020, 74822, 86636, 108295, 149644, 187055, 216590, 374110, 411521, 433180, 748220, 823042, 1646084, 2057605, 4115210, 8230420]

約数ペア:

[(1, 8230420), (2, 4115210), (4, 2057605), (5, 1646084), (10, 823042), (11, 748220), (19, 433180), (20, 411521), (22, 374110), (38, 216590), (44, 187055), (55, 149644), (76, 108295), (95, 86636), (110, 74822), (121, 68020), (179, 45980), (190, 43318), (209, 39380), (220, 37411), (242, 34010), (358, 22990), (380, 21659), (418, 19690), (484, 17005), (605, 13604), (716, 11495), (836, 9845), (895, 9196), (1045, 7876), (1210, 6802), (1790, 4598), (1969, 4180), (2090, 3938), (2299, 3580), (2420, 3401)]