210707000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1030

約数の個数: 128

約数和(自身を含む): 582266880

約数和(自身を除く): 371559880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 434, 500, 620, 700, 775, 868, 875, 971, 1000, 1085, 1240, 1400, 1550, 1736, 1750, 1942, 2170, 3100, 3500, 3875, 3884, 4340, 4855, 5425, 6200, 6797, 7000, 7750, 7768, 8680, 9710, 10850, 13594, 15500, 19420, 21700, 24275, 27125, 27188, 30101, 31000, 33985, 38840, 43400, 48550, 54250, 54376, 60202, 67970, 97100, 108500, 120404, 121375, 135940, 150505, 169925, 194200, 210707, 217000, 240808, 242750, 271880, 301010, 339850, 421414, 485500, 602020, 679700, 752525, 842828, 849625, 971000, 1053535, 1204040, 1359400, 1505050, 1685656, 1699250, 2107070, 3010100, 3398500, 3762625, 4214140, 5267675, 6020200, 6797000, 7525250, 8428280, 10535350, 15050500, 21070700, 26338375, 30101000, 42141400, 52676750, 105353500, 210707000]

約数ペア:

[(1, 210707000), (2, 105353500), (4, 52676750), (5, 42141400), (7, 30101000), (8, 26338375), (10, 21070700), (14, 15050500), (20, 10535350), (25, 8428280), (28, 7525250), (31, 6797000), (35, 6020200), (40, 5267675), (50, 4214140), (56, 3762625), (62, 3398500), (70, 3010100), (100, 2107070), (124, 1699250), (125, 1685656), (140, 1505050), (155, 1359400), (175, 1204040), (200, 1053535), (217, 971000), (248, 849625), (250, 842828), (280, 752525), (310, 679700), (350, 602020), (434, 485500), (500, 421414), (620, 339850), (700, 301010), (775, 271880), (868, 242750), (875, 240808), (971, 217000), (1000, 210707), (1085, 194200), (1240, 169925), (1400, 150505), (1550, 135940), (1736, 121375), (1750, 120404), (1942, 108500), (2170, 97100), (3100, 67970), (3500, 60202), (3875, 54376), (3884, 54250), (4340, 48550), (4855, 43400), (5425, 38840), (6200, 33985), (6797, 31000), (7000, 30101), (7750, 27188), (7768, 27125), (8680, 24275), (9710, 21700), (10850, 19420), (13594, 15500)]