242279570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 491581440

約数和(自身を除く): 249301870

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 310, 395, 403, 761, 790, 806, 1027, 1522, 2015, 2054, 2449, 3805, 4030, 4898, 5135, 7610, 9893, 10270, 12245, 19786, 23591, 24490, 31837, 47182, 49465, 60119, 63674, 98930, 117955, 120238, 159185, 235910, 300595, 306683, 318370, 601190, 613366, 781547, 1533415, 1563094, 1863689, 3066830, 3727378, 3907735, 7815470, 9318445, 18636890, 24227957, 48455914, 121139785, 242279570]

約数ペア:

[(1, 242279570), (2, 121139785), (5, 48455914), (10, 24227957), (13, 18636890), (26, 9318445), (31, 7815470), (62, 3907735), (65, 3727378), (79, 3066830), (130, 1863689), (155, 1563094), (158, 1533415), (310, 781547), (395, 613366), (403, 601190), (761, 318370), (790, 306683), (806, 300595), (1027, 235910), (1522, 159185), (2015, 120238), (2054, 117955), (2449, 98930), (3805, 63674), (4030, 60119), (4898, 49465), (5135, 47182), (7610, 31837), (9893, 24490), (10270, 23591), (12245, 19786)]