52248340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 112266000

約数和(自身を除く): 60017660

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 197, 298, 356, 394, 445, 596, 745, 788, 890, 985, 1490, 1780, 1970, 2980, 3940, 13261, 17533, 26522, 29353, 35066, 53044, 58706, 66305, 70132, 87665, 117412, 132610, 146765, 175330, 265220, 293530, 350660, 587060, 2612417, 5224834, 10449668, 13062085, 26124170, 52248340]

約数ペア:

[(1, 52248340), (2, 26124170), (4, 13062085), (5, 10449668), (10, 5224834), (20, 2612417), (89, 587060), (149, 350660), (178, 293530), (197, 265220), (298, 175330), (356, 146765), (394, 132610), (445, 117412), (596, 87665), (745, 70132), (788, 66305), (890, 58706), (985, 53044), (1490, 35066), (1780, 29353), (1970, 26522), (2980, 17533), (3940, 13261)]