4433240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 11612160

約数和(自身を除く): 7178920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 223, 280, 284, 355, 446, 497, 568, 710, 892, 994, 1115, 1420, 1561, 1784, 1988, 2230, 2485, 2840, 3122, 3976, 4460, 4970, 6244, 7805, 8920, 9940, 12488, 15610, 15833, 19880, 31220, 31666, 62440, 63332, 79165, 110831, 126664, 158330, 221662, 316660, 443324, 554155, 633320, 886648, 1108310, 2216620, 4433240]

約数ペア:

[(1, 4433240), (2, 2216620), (4, 1108310), (5, 886648), (7, 633320), (8, 554155), (10, 443324), (14, 316660), (20, 221662), (28, 158330), (35, 126664), (40, 110831), (56, 79165), (70, 63332), (71, 62440), (140, 31666), (142, 31220), (223, 19880), (280, 15833), (284, 15610), (355, 12488), (446, 9940), (497, 8920), (568, 7805), (710, 6244), (892, 4970), (994, 4460), (1115, 3976), (1420, 3122), (1561, 2840), (1784, 2485), (1988, 2230)]