453216580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{1381}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 971656560

約数和(自身を除く): 518439980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 269, 305, 538, 610, 1076, 1220, 1345, 1381, 2690, 2762, 5380, 5524, 6905, 13810, 16409, 27620, 32818, 65636, 82045, 84241, 164090, 168482, 328180, 336964, 371489, 421205, 742978, 842410, 1485956, 1684820, 1857445, 3714890, 7429780, 22660829, 45321658, 90643316, 113304145, 226608290, 453216580]

約数ペア:

[(1, 453216580), (2, 226608290), (4, 113304145), (5, 90643316), (10, 45321658), (20, 22660829), (61, 7429780), (122, 3714890), (244, 1857445), (269, 1684820), (305, 1485956), (538, 842410), (610, 742978), (1076, 421205), (1220, 371489), (1345, 336964), (1381, 328180), (2690, 168482), (2762, 164090), (5380, 84241), (5524, 82045), (6905, 65636), (13810, 32818), (16409, 27620)]