127967980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{8089}}^1$

素因数の和:8218

約数の個数: 48

約数和(自身を含む): 309879360

約数和(自身を除く): 181911380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 8089, 15820, 16178, 32356, 40445, 56623, 80890, 113246, 161780, 226492, 283115, 566230, 914057, 1132460, 1828114, 3656228, 4570285, 6398399, 9140570, 12796798, 18281140, 25593596, 31991995, 63983990, 127967980]

約数ペア:

[(1, 127967980), (2, 63983990), (4, 31991995), (5, 25593596), (7, 18281140), (10, 12796798), (14, 9140570), (20, 6398399), (28, 4570285), (35, 3656228), (70, 1828114), (113, 1132460), (140, 914057), (226, 566230), (452, 283115), (565, 226492), (791, 161780), (1130, 113246), (1582, 80890), (2260, 56623), (3164, 40445), (3955, 32356), (7910, 16178), (8089, 15820)]