308927920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6983}}^1$

素因数の和:7082

約数の個数: 80

約数和(自身を含む): 831375360

約数和(自身を除く): 522447440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 6983, 8848, 11060, 13966, 22120, 27932, 34915, 44240, 48881, 55864, 69830, 97762, 111728, 139660, 195524, 244405, 279320, 391048, 488810, 551657, 558640, 782096, 977620, 1103314, 1955240, 2206628, 2758285, 3861599, 3910480, 4413256, 5516570, 7723198, 8826512, 11033140, 15446396, 19307995, 22066280, 30892792, 38615990, 44132560, 61785584, 77231980, 154463960, 308927920]

約数ペア:

[(1, 308927920), (2, 154463960), (4, 77231980), (5, 61785584), (7, 44132560), (8, 38615990), (10, 30892792), (14, 22066280), (16, 19307995), (20, 15446396), (28, 11033140), (35, 8826512), (40, 7723198), (56, 5516570), (70, 4413256), (79, 3910480), (80, 3861599), (112, 2758285), (140, 2206628), (158, 1955240), (280, 1103314), (316, 977620), (395, 782096), (553, 558640), (560, 551657), (632, 488810), (790, 391048), (1106, 279320), (1264, 244405), (1580, 195524), (2212, 139660), (2765, 111728), (3160, 97762), (4424, 69830), (5530, 55864), (6320, 48881), (6983, 44240), (8848, 34915), (11060, 27932), (13966, 22120)]