1320793588

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 2553919200

約数和(自身を除く): 1233125612

約数列:

[1, 2, 4, 19, 37, 38, 59, 74, 76, 118, 148, 236, 361, 419, 703, 722, 838, 1121, 1406, 1444, 1676, 2183, 2242, 2812, 4366, 4484, 7961, 8732, 13357, 15503, 15922, 21299, 24721, 26714, 31006, 31844, 41477, 42598, 49442, 53428, 62012, 82954, 85196, 98884, 151259, 165908, 294557, 302518, 469699, 589114, 605036, 788063, 914677, 939398, 1178228, 1576126, 1829354, 1878796, 3152252, 3658708, 5596583, 8924281, 11193166, 17378863, 17848562, 22386332, 34757726, 35697124, 69515452, 330198397, 660396794, 1320793588]

約数ペア:

[(1, 1320793588), (2, 660396794), (4, 330198397), (19, 69515452), (37, 35697124), (38, 34757726), (59, 22386332), (74, 17848562), (76, 17378863), (118, 11193166), (148, 8924281), (236, 5596583), (361, 3658708), (419, 3152252), (703, 1878796), (722, 1829354), (838, 1576126), (1121, 1178228), (1406, 939398), (1444, 914677), (1676, 788063), (2183, 605036), (2242, 589114), (2812, 469699), (4366, 302518), (4484, 294557), (7961, 165908), (8732, 151259), (13357, 98884), (15503, 85196), (15922, 82954), (21299, 62012), (24721, 53428), (26714, 49442), (31006, 42598), (31844, 41477)]