156377980

素因数分解:

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

素因数の和:248

約数の個数: 108

約数和(自身を含む): 383087880

約数和(自身を除く): 226709900

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, 361, 380, 418, 484, 605, 716, 722, 836, 895, 1045, 1210, 1444, 1790, 1805, 1969, 2090, 2299, 2420, 3401, 3580, 3610, 3938, 3971, 4180, 4598, 6802, 7220, 7876, 7942, 9196, 9845, 11495, 13604, 15884, 17005, 19690, 19855, 21659, 22990, 34010, 37411, 39380, 39710, 43318, 43681, 45980, 64619, 68020, 74822, 79420, 86636, 87362, 108295, 129238, 149644, 174724, 187055, 216590, 218405, 258476, 323095, 374110, 411521, 433180, 436810, 646190, 710809, 748220, 823042, 873620, 1292380, 1421618, 1646084, 2057605, 2843236, 3554045, 4115210, 7108090, 7818899, 8230420, 14216180, 15637798, 31275596, 39094495, 78188990, 156377980]

約数ペア:

[(1, 156377980), (2, 78188990), (4, 39094495), (5, 31275596), (10, 15637798), (11, 14216180), (19, 8230420), (20, 7818899), (22, 7108090), (38, 4115210), (44, 3554045), (55, 2843236), (76, 2057605), (95, 1646084), (110, 1421618), (121, 1292380), (179, 873620), (190, 823042), (209, 748220), (220, 710809), (242, 646190), (358, 436810), (361, 433180), (380, 411521), (418, 374110), (484, 323095), (605, 258476), (716, 218405), (722, 216590), (836, 187055), (895, 174724), (1045, 149644), (1210, 129238), (1444, 108295), (1790, 87362), (1805, 86636), (1969, 79420), (2090, 74822), (2299, 68020), (2420, 64619), (3401, 45980), (3580, 43681), (3610, 43318), (3938, 39710), (3971, 39380), (4180, 37411), (4598, 34010), (6802, 22990), (7220, 21659), (7876, 19855), (7942, 19690), (9196, 17005), (9845, 15884), (11495, 13604)]