159081020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1997}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 382656960

約数和(自身を除く): 223575940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 1997, 2276, 2845, 3983, 3994, 5690, 7966, 7988, 9985, 11380, 13979, 15932, 19915, 19970, 27958, 39830, 39940, 55916, 69895, 79660, 139790, 279580, 1136293, 2272586, 4545172, 5681465, 7954051, 11362930, 15908102, 22725860, 31816204, 39770255, 79540510, 159081020]

約数ペア:

[(1, 159081020), (2, 79540510), (4, 39770255), (5, 31816204), (7, 22725860), (10, 15908102), (14, 11362930), (20, 7954051), (28, 5681465), (35, 4545172), (70, 2272586), (140, 1136293), (569, 279580), (1138, 139790), (1997, 79660), (2276, 69895), (2845, 55916), (3983, 39940), (3994, 39830), (5690, 27958), (7966, 19970), (7988, 19915), (9985, 15932), (11380, 13979)]