249617620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{77521}}^1$

素因数の和:77560

約数の個数: 48

約数和(自身を含む): 625137408

約数和(自身を除く): 375519788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 77521, 155042, 310084, 387605, 542647, 775210, 1085294, 1550420, 1782983, 2170588, 2713235, 3565966, 5426470, 7131932, 8914915, 10852940, 12480881, 17829830, 24961762, 35659660, 49923524, 62404405, 124808810, 249617620]

約数ペア:

[(1, 249617620), (2, 124808810), (4, 62404405), (5, 49923524), (7, 35659660), (10, 24961762), (14, 17829830), (20, 12480881), (23, 10852940), (28, 8914915), (35, 7131932), (46, 5426470), (70, 3565966), (92, 2713235), (115, 2170588), (140, 1782983), (161, 1550420), (230, 1085294), (322, 775210), (460, 542647), (644, 387605), (805, 310084), (1610, 155042), (3220, 77521)]