168505647580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1\times {\mathrm{130259}}^1$

素因数の和:131250

約数の個数: 48

約数和(自身を含む): 359242490880

約数和(自身を除く): 190736843300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 911, 1420, 1822, 3644, 4555, 9110, 18220, 64681, 129362, 130259, 258724, 260518, 323405, 521036, 646810, 651295, 1293620, 1302590, 2605180, 9248389, 18496778, 36993556, 46241945, 92483890, 118665949, 184967780, 237331898, 474663796, 593329745, 1186659490, 2373318980, 8425282379, 16850564758, 33701129516, 42126411895, 84252823790, 168505647580]

約数ペア:

[(1, 168505647580), (2, 84252823790), (4, 42126411895), (5, 33701129516), (10, 16850564758), (20, 8425282379), (71, 2373318980), (142, 1186659490), (284, 593329745), (355, 474663796), (710, 237331898), (911, 184967780), (1420, 118665949), (1822, 92483890), (3644, 46241945), (4555, 36993556), (9110, 18496778), (18220, 9248389), (64681, 2605180), (129362, 1302590), (130259, 1293620), (258724, 651295), (260518, 646810), (323405, 521036)]