156789340

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 334393920

約数和(自身を除く): 177604580

約数列:

[1, 2, 4, 5, 10, 20, 151, 193, 269, 302, 386, 538, 604, 755, 772, 965, 1076, 1345, 1510, 1930, 2690, 3020, 3860, 5380, 29143, 40619, 51917, 58286, 81238, 103834, 116572, 145715, 162476, 203095, 207668, 259585, 291430, 406190, 519170, 582860, 812380, 1038340, 7839467, 15678934, 31357868, 39197335, 78394670, 156789340]

約数ペア:

[(1, 156789340), (2, 78394670), (4, 39197335), (5, 31357868), (10, 15678934), (20, 7839467), (151, 1038340), (193, 812380), (269, 582860), (302, 519170), (386, 406190), (538, 291430), (604, 259585), (755, 207668), (772, 203095), (965, 162476), (1076, 145715), (1345, 116572), (1510, 103834), (1930, 81238), (2690, 58286), (3020, 51917), (3860, 40619), (5380, 29143)]