111137780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 255667104

約数和(自身を除く): 144529324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 169, 251, 260, 262, 338, 502, 524, 655, 676, 845, 1004, 1255, 1310, 1690, 1703, 2510, 2620, 3263, 3380, 3406, 5020, 6526, 6812, 8515, 13052, 16315, 17030, 22139, 32630, 32881, 34060, 42419, 44278, 65260, 65762, 84838, 88556, 110695, 131524, 164405, 169676, 212095, 221390, 328810, 424190, 427453, 442780, 657620, 848380, 854906, 1709812, 2137265, 4274530, 5556889, 8549060, 11113778, 22227556, 27784445, 55568890, 111137780]

約数ペア:

[(1, 111137780), (2, 55568890), (4, 27784445), (5, 22227556), (10, 11113778), (13, 8549060), (20, 5556889), (26, 4274530), (52, 2137265), (65, 1709812), (130, 854906), (131, 848380), (169, 657620), (251, 442780), (260, 427453), (262, 424190), (338, 328810), (502, 221390), (524, 212095), (655, 169676), (676, 164405), (845, 131524), (1004, 110695), (1255, 88556), (1310, 84838), (1690, 65762), (1703, 65260), (2510, 44278), (2620, 42419), (3263, 34060), (3380, 32881), (3406, 32630), (5020, 22139), (6526, 17030), (6812, 16315), (8515, 13052)]