72145204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 140112000

約数和(自身を除く): 67966796

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 149, 277, 298, 437, 554, 596, 874, 1108, 1748, 2831, 3427, 5263, 5662, 6371, 6854, 10526, 11324, 12742, 13708, 21052, 25484, 41273, 65113, 82546, 121049, 130226, 165092, 242098, 260452, 484196, 784187, 949279, 1568374, 1898558, 3136748, 3797116, 18036301, 36072602, 72145204]

約数ペア:

[(1, 72145204), (2, 36072602), (4, 18036301), (19, 3797116), (23, 3136748), (38, 1898558), (46, 1568374), (76, 949279), (92, 784187), (149, 484196), (277, 260452), (298, 242098), (437, 165092), (554, 130226), (596, 121049), (874, 82546), (1108, 65113), (1748, 41273), (2831, 25484), (3427, 21052), (5263, 13708), (5662, 12742), (6371, 11324), (6854, 10526)]