28977962380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{70709}}^1$

素因数の和:71410

約数の個数: 48

約数和(自身を含む): 62912666880

約数和(自身を除く): 33934704500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 661, 1322, 2644, 3305, 6610, 13220, 20491, 40982, 70709, 81964, 102455, 141418, 204910, 282836, 353545, 409820, 707090, 1414180, 2191979, 4383958, 8767916, 10959895, 21919790, 43839580, 46738649, 93477298, 186954596, 233693245, 467386490, 934772980, 1448898119, 2897796238, 5795592476, 7244490595, 14488981190, 28977962380]

約数ペア:

[(1, 28977962380), (2, 14488981190), (4, 7244490595), (5, 5795592476), (10, 2897796238), (20, 1448898119), (31, 934772980), (62, 467386490), (124, 233693245), (155, 186954596), (310, 93477298), (620, 46738649), (661, 43839580), (1322, 21919790), (2644, 10959895), (3305, 8767916), (6610, 4383958), (13220, 2191979), (20491, 1414180), (40982, 707090), (70709, 409820), (81964, 353545), (102455, 282836), (141418, 204910)]