120405890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 240166080

約数和(自身を除く): 119760190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 151, 242, 302, 605, 659, 755, 1210, 1318, 1510, 1661, 3295, 3322, 6590, 7249, 8305, 14498, 16610, 18271, 36245, 36542, 72490, 79739, 91355, 99509, 159478, 182710, 199018, 398695, 497545, 797390, 995090, 1094599, 2189198, 5472995, 10945990, 12040589, 24081178, 60202945, 120405890]

約数ペア:

[(1, 120405890), (2, 60202945), (5, 24081178), (10, 12040589), (11, 10945990), (22, 5472995), (55, 2189198), (110, 1094599), (121, 995090), (151, 797390), (242, 497545), (302, 398695), (605, 199018), (659, 182710), (755, 159478), (1210, 99509), (1318, 91355), (1510, 79739), (1661, 72490), (3295, 36542), (3322, 36245), (6590, 18271), (7249, 16610), (8305, 14498)]