249349120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1627

約数の個数: 88

約数和(自身を含む): 617833728

約数和(自身を除く): 368484608

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, 512, 620, 640, 992, 1024, 1240, 1280, 1571, 1984, 2480, 2560, 3142, 3968, 4960, 5120, 6284, 7855, 7936, 9920, 12568, 15710, 15872, 19840, 25136, 31420, 31744, 39680, 48701, 50272, 62840, 79360, 97402, 100544, 125680, 158720, 194804, 201088, 243505, 251360, 389608, 402176, 487010, 502720, 779216, 804352, 974020, 1005440, 1558432, 1608704, 1948040, 2010880, 3116864, 3896080, 4021760, 6233728, 7792160, 8043520, 12467456, 15584320, 24934912, 31168640, 49869824, 62337280, 124674560, 249349120]

約数ペア:

[(1, 249349120), (2, 124674560), (4, 62337280), (5, 49869824), (8, 31168640), (10, 24934912), (16, 15584320), (20, 12467456), (31, 8043520), (32, 7792160), (40, 6233728), (62, 4021760), (64, 3896080), (80, 3116864), (124, 2010880), (128, 1948040), (155, 1608704), (160, 1558432), (248, 1005440), (256, 974020), (310, 804352), (320, 779216), (496, 502720), (512, 487010), (620, 402176), (640, 389608), (992, 251360), (1024, 243505), (1240, 201088), (1280, 194804), (1571, 158720), (1984, 125680), (2480, 100544), (2560, 97402), (3142, 79360), (3968, 62840), (4960, 50272), (5120, 48701), (6284, 39680), (7855, 31744), (7936, 31420), (9920, 25136), (12568, 19840), (15710, 15872)]