388020800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7876

約数の個数: 84

約数和(自身を含む): 985698816

約数和(自身を除く): 597678016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 6200, 7823, 9920, 12400, 15646, 24800, 31292, 39115, 49600, 62584, 78230, 125168, 156460, 195575, 242513, 250336, 312920, 391150, 485026, 500672, 625840, 782300, 970052, 1212565, 1251680, 1564600, 1940104, 2425130, 2503360, 3129200, 3880208, 4850260, 6062825, 6258400, 7760416, 9700520, 12125650, 12516800, 15520832, 19401040, 24251300, 38802080, 48502600, 77604160, 97005200, 194010400, 388020800]

約数ペア:

[(1, 388020800), (2, 194010400), (4, 97005200), (5, 77604160), (8, 48502600), (10, 38802080), (16, 24251300), (20, 19401040), (25, 15520832), (31, 12516800), (32, 12125650), (40, 9700520), (50, 7760416), (62, 6258400), (64, 6062825), (80, 4850260), (100, 3880208), (124, 3129200), (155, 2503360), (160, 2425130), (200, 1940104), (248, 1564600), (310, 1251680), (320, 1212565), (400, 970052), (496, 782300), (620, 625840), (775, 500672), (800, 485026), (992, 391150), (1240, 312920), (1550, 250336), (1600, 242513), (1984, 195575), (2480, 156460), (3100, 125168), (4960, 78230), (6200, 62584), (7823, 49600), (9920, 39115), (12400, 31292), (15646, 24800)]