668872580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1\times {\mathrm{1847}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 1480913280

約数和(自身を除く): 812040700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 953, 1847, 1906, 3694, 3812, 4765, 7388, 9235, 9530, 18107, 18470, 19060, 35093, 36214, 36940, 70186, 72428, 90535, 140372, 175465, 181070, 350930, 362140, 701860, 1760191, 3520382, 7040764, 8800955, 17601910, 33443629, 35203820, 66887258, 133774516, 167218145, 334436290, 668872580]

約数ペア:

[(1, 668872580), (2, 334436290), (4, 167218145), (5, 133774516), (10, 66887258), (19, 35203820), (20, 33443629), (38, 17601910), (76, 8800955), (95, 7040764), (190, 3520382), (380, 1760191), (953, 701860), (1847, 362140), (1906, 350930), (3694, 181070), (3812, 175465), (4765, 140372), (7388, 90535), (9235, 72428), (9530, 70186), (18107, 36940), (18470, 36214), (19060, 35093)]