388264790

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 706380480

約数和(自身を除く): 318115690

約数列:

[1, 2, 5, 10, 151, 302, 389, 661, 755, 778, 1322, 1510, 1945, 3305, 3890, 6610, 58739, 99811, 117478, 199622, 257129, 293695, 499055, 514258, 587390, 998110, 1285645, 2571290, 38826479, 77652958, 194132395, 388264790]

約数ペア:

[(1, 388264790), (2, 194132395), (5, 77652958), (10, 38826479), (151, 2571290), (302, 1285645), (389, 998110), (661, 587390), (755, 514258), (778, 499055), (1322, 293695), (1510, 257129), (1945, 199622), (3305, 117478), (3890, 99811), (6610, 58739)]