7388640390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1\times {\mathrm{6491}}^1$

素因数の和:8517

約数の個数: 64

約数和(自身を含む): 18678263040

約数和(自身を除く): 11289622650

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 1997, 3994, 5991, 6491, 9985, 11982, 12982, 19473, 19970, 29955, 32455, 37943, 38946, 59910, 64910, 75886, 97365, 113829, 123329, 189715, 194730, 227658, 246658, 369987, 379430, 569145, 616645, 739974, 1138290, 1233290, 1849935, 3699870, 12962527, 25925054, 38887581, 64812635, 77775162, 129625270, 194437905, 246288013, 388875810, 492576026, 738864039, 1231440065, 1477728078, 2462880130, 3694320195, 7388640390]

約数ペア:

[(1, 7388640390), (2, 3694320195), (3, 2462880130), (5, 1477728078), (6, 1231440065), (10, 738864039), (15, 492576026), (19, 388875810), (30, 246288013), (38, 194437905), (57, 129625270), (95, 77775162), (114, 64812635), (190, 38887581), (285, 25925054), (570, 12962527), (1997, 3699870), (3994, 1849935), (5991, 1233290), (6491, 1138290), (9985, 739974), (11982, 616645), (12982, 569145), (19473, 379430), (19970, 369987), (29955, 246658), (32455, 227658), (37943, 194730), (38946, 189715), (59910, 123329), (64910, 113829), (75886, 97365)]