87791690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1827

約数の個数: 64

約数和(自身を含む): 194641920

約数和(自身を除く): 106850230

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 713, 805, 1085, 1426, 1610, 1759, 2170, 3518, 3565, 4991, 7130, 8795, 9982, 12313, 17590, 24626, 24955, 40457, 49910, 54529, 61565, 80914, 109058, 123130, 202285, 272645, 283199, 381703, 404570, 545290, 566398, 763406, 1254167, 1415995, 1908515, 2508334, 2831990, 3817030, 6270835, 8779169, 12541670, 17558338, 43895845, 87791690]

約数ペア:

[(1, 87791690), (2, 43895845), (5, 17558338), (7, 12541670), (10, 8779169), (14, 6270835), (23, 3817030), (31, 2831990), (35, 2508334), (46, 1908515), (62, 1415995), (70, 1254167), (115, 763406), (155, 566398), (161, 545290), (217, 404570), (230, 381703), (310, 283199), (322, 272645), (434, 202285), (713, 123130), (805, 109058), (1085, 80914), (1426, 61565), (1610, 54529), (1759, 49910), (2170, 40457), (3518, 24955), (3565, 24626), (4991, 17590), (7130, 12313), (8795, 9982)]