71781430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1805

約数の個数: 64

約数和(自身を含む): 160542720

約数和(自身を除く): 88761290

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 1085, 1178, 1330, 1741, 2170, 2945, 3482, 4123, 5890, 8246, 8705, 12187, 17410, 20615, 24374, 33079, 41230, 53971, 60935, 66158, 107942, 121870, 165395, 231553, 269855, 330790, 377797, 463106, 539710, 755594, 1025449, 1157765, 1888985, 2050898, 2315530, 3777970, 5127245, 7178143, 10254490, 14356286, 35890715, 71781430]

約数ペア:

[(1, 71781430), (2, 35890715), (5, 14356286), (7, 10254490), (10, 7178143), (14, 5127245), (19, 3777970), (31, 2315530), (35, 2050898), (38, 1888985), (62, 1157765), (70, 1025449), (95, 755594), (133, 539710), (155, 463106), (190, 377797), (217, 330790), (266, 269855), (310, 231553), (434, 165395), (589, 121870), (665, 107942), (1085, 66158), (1178, 60935), (1330, 53971), (1741, 41230), (2170, 33079), (2945, 24374), (3482, 20615), (4123, 17410), (5890, 12187), (8246, 8705)]