440170240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11093}}^1$

素因数の和:11145

約数の個数: 72

約数和(自身を含む): 1088454528

約数和(自身を除く): 648284288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 11093, 19840, 22186, 39680, 44372, 55465, 88744, 110930, 177488, 221860, 343883, 354976, 443720, 687766, 709952, 887440, 1375532, 1419904, 1719415, 1774880, 2751064, 2839808, 3438830, 3549760, 5502128, 6877660, 7099520, 11004256, 13755320, 14199040, 22008512, 27510640, 44017024, 55021280, 88034048, 110042560, 220085120, 440170240]

約数ペア:

[(1, 440170240), (2, 220085120), (4, 110042560), (5, 88034048), (8, 55021280), (10, 44017024), (16, 27510640), (20, 22008512), (31, 14199040), (32, 13755320), (40, 11004256), (62, 7099520), (64, 6877660), (80, 5502128), (124, 3549760), (128, 3438830), (155, 2839808), (160, 2751064), (248, 1774880), (256, 1719415), (310, 1419904), (320, 1375532), (496, 887440), (620, 709952), (640, 687766), (992, 443720), (1240, 354976), (1280, 343883), (1984, 221860), (2480, 177488), (3968, 110930), (4960, 88744), (7936, 55465), (9920, 44372), (11093, 39680), (19840, 22186)]