2899840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 7270560

約数和(自身を除く): 4370720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 197, 230, 320, 368, 394, 460, 640, 736, 788, 920, 985, 1472, 1576, 1840, 1970, 2944, 3152, 3680, 3940, 4531, 6304, 7360, 7880, 9062, 12608, 14720, 15760, 18124, 22655, 25216, 31520, 36248, 45310, 63040, 72496, 90620, 126080, 144992, 181240, 289984, 362480, 579968, 724960, 1449920, 2899840]

約数ペア:

[(1, 2899840), (2, 1449920), (4, 724960), (5, 579968), (8, 362480), (10, 289984), (16, 181240), (20, 144992), (23, 126080), (32, 90620), (40, 72496), (46, 63040), (64, 45310), (80, 36248), (92, 31520), (115, 25216), (128, 22655), (160, 18124), (184, 15760), (197, 14720), (230, 12608), (320, 9062), (368, 7880), (394, 7360), (460, 6304), (640, 4531), (736, 3940), (788, 3680), (920, 3152), (985, 2944), (1472, 1970), (1576, 1840)]