2017477640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{1823}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 4616179200

約数和(自身を除く): 2598701560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 379, 584, 730, 758, 1460, 1516, 1823, 1895, 2920, 3032, 3646, 3790, 7292, 7580, 9115, 14584, 15160, 18230, 27667, 36460, 55334, 72920, 110668, 133079, 138335, 221336, 266158, 276670, 532316, 553340, 665395, 690917, 1064632, 1106680, 1330790, 1381834, 2661580, 2763668, 3454585, 5323160, 5527336, 6909170, 13818340, 27636680, 50436941, 100873882, 201747764, 252184705, 403495528, 504369410, 1008738820, 2017477640]

約数ペア:

[(1, 2017477640), (2, 1008738820), (4, 504369410), (5, 403495528), (8, 252184705), (10, 201747764), (20, 100873882), (40, 50436941), (73, 27636680), (146, 13818340), (292, 6909170), (365, 5527336), (379, 5323160), (584, 3454585), (730, 2763668), (758, 2661580), (1460, 1381834), (1516, 1330790), (1823, 1106680), (1895, 1064632), (2920, 690917), (3032, 665395), (3646, 553340), (3790, 532316), (7292, 276670), (7580, 266158), (9115, 221336), (14584, 138335), (15160, 133079), (18230, 110668), (27667, 72920), (36460, 55334)]