31737980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^4\times {\mathrm{19}}^1$

素因数の和:96

約数の個数: 60

約数和(自身を含む): 74542440

約数和(自身を除く): 42804460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 4913, 5491, 5780, 6460, 9826, 10982, 19652, 21964, 24565, 27455, 49130, 54910, 83521, 93347, 98260, 109820, 167042, 186694, 334084, 373388, 417605, 466735, 835210, 933470, 1586899, 1670420, 1866940, 3173798, 6347596, 7934495, 15868990, 31737980]

約数ペア:

[(1, 31737980), (2, 15868990), (4, 7934495), (5, 6347596), (10, 3173798), (17, 1866940), (19, 1670420), (20, 1586899), (34, 933470), (38, 835210), (68, 466735), (76, 417605), (85, 373388), (95, 334084), (170, 186694), (190, 167042), (289, 109820), (323, 98260), (340, 93347), (380, 83521), (578, 54910), (646, 49130), (1156, 27455), (1292, 24565), (1445, 21964), (1615, 19652), (2890, 10982), (3230, 9826), (4913, 6460), (5491, 5780)]