161763460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 350602560

約数和(自身を除く): 188839100

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 1979, 3958, 4087, 7916, 8174, 9895, 16348, 19790, 20435, 39580, 40870, 81740, 120719, 132593, 241438, 265186, 482876, 530372, 603595, 662965, 1207190, 1325930, 2414380, 2651860, 8088173, 16176346, 32352692, 40440865, 80881730, 161763460]

約数ペア:

[(1, 161763460), (2, 80881730), (4, 40440865), (5, 32352692), (10, 16176346), (20, 8088173), (61, 2651860), (67, 2414380), (122, 1325930), (134, 1207190), (244, 662965), (268, 603595), (305, 530372), (335, 482876), (610, 265186), (670, 241438), (1220, 132593), (1340, 120719), (1979, 81740), (3958, 40870), (4087, 39580), (7916, 20435), (8174, 19790), (9895, 16348)]