9968245220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^2\times {\mathrm{1019}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 21508079040

約数和(自身を除く): 11539833820

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 710, 830, 1019, 1420, 1660, 2038, 4076, 5095, 5893, 6889, 10190, 11786, 13778, 20380, 23572, 27556, 29465, 34445, 58930, 68890, 72349, 84577, 117860, 137780, 144698, 169154, 289396, 338308, 361745, 422885, 489119, 723490, 845770, 978238, 1446980, 1691540, 1956476, 2445595, 4891190, 6004967, 7019891, 9782380, 12009934, 14039782, 24019868, 28079564, 30024835, 35099455, 60049670, 70198910, 120099340, 140397820, 498412261, 996824522, 1993649044, 2492061305, 4984122610, 9968245220]

約数ペア:

[(1, 9968245220), (2, 4984122610), (4, 2492061305), (5, 1993649044), (10, 996824522), (20, 498412261), (71, 140397820), (83, 120099340), (142, 70198910), (166, 60049670), (284, 35099455), (332, 30024835), (355, 28079564), (415, 24019868), (710, 14039782), (830, 12009934), (1019, 9782380), (1420, 7019891), (1660, 6004967), (2038, 4891190), (4076, 2445595), (5095, 1956476), (5893, 1691540), (6889, 1446980), (10190, 978238), (11786, 845770), (13778, 723490), (20380, 489119), (23572, 422885), (27556, 361745), (29465, 338308), (34445, 289396), (58930, 169154), (68890, 144698), (72349, 137780), (84577, 117860)]