745226980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{27953}}^1$

素因数の和:28036

約数の個数: 48

約数和(自身を含む): 1653087744

約数和(自身を除く): 907860764

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 13330, 26660, 27953, 55906, 111812, 139765, 279530, 559060, 866543, 1201979, 1733086, 2403958, 3466172, 4332715, 4807916, 6009895, 8665430, 12019790, 17330860, 24039580, 37261349, 74522698, 149045396, 186306745, 372613490, 745226980]

約数ペア:

[(1, 745226980), (2, 372613490), (4, 186306745), (5, 149045396), (10, 74522698), (20, 37261349), (31, 24039580), (43, 17330860), (62, 12019790), (86, 8665430), (124, 6009895), (155, 4807916), (172, 4332715), (215, 3466172), (310, 2403958), (430, 1733086), (620, 1201979), (860, 866543), (1333, 559060), (2666, 279530), (5332, 139765), (6665, 111812), (13330, 55906), (26660, 27953)]