82900420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 184161600

約数和(自身を除く): 101261180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 811, 1076, 1345, 1622, 2690, 3244, 4055, 5111, 5380, 8110, 10222, 15409, 16220, 20444, 25555, 30818, 51110, 61636, 77045, 102220, 154090, 218159, 308180, 436318, 872636, 1090795, 2181590, 4145021, 4363180, 8290042, 16580084, 20725105, 41450210, 82900420]

約数ペア:

[(1, 82900420), (2, 41450210), (4, 20725105), (5, 16580084), (10, 8290042), (19, 4363180), (20, 4145021), (38, 2181590), (76, 1090795), (95, 872636), (190, 436318), (269, 308180), (380, 218159), (538, 154090), (811, 102220), (1076, 77045), (1345, 61636), (1622, 51110), (2690, 30818), (3244, 25555), (4055, 20444), (5111, 16220), (5380, 15409), (8110, 10222)]