201523312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 422195200

約数和(自身を除く): 220671888

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 79, 124, 139, 148, 158, 248, 278, 296, 316, 496, 556, 592, 632, 1112, 1147, 1264, 2224, 2294, 2449, 2923, 4309, 4588, 4898, 5143, 5846, 8618, 9176, 9796, 10286, 10981, 11692, 17236, 18352, 19592, 20572, 21962, 23384, 34472, 39184, 41144, 43924, 46768, 68944, 82288, 87848, 90613, 159433, 175696, 181226, 318866, 340411, 362452, 406297, 637732, 680822, 724904, 812594, 1275464, 1361644, 1449808, 1625188, 2550928, 2723288, 3250376, 5446576, 6500752, 12595207, 25190414, 50380828, 100761656, 201523312]

約数ペア:

[(1, 201523312), (2, 100761656), (4, 50380828), (8, 25190414), (16, 12595207), (31, 6500752), (37, 5446576), (62, 3250376), (74, 2723288), (79, 2550928), (124, 1625188), (139, 1449808), (148, 1361644), (158, 1275464), (248, 812594), (278, 724904), (296, 680822), (316, 637732), (496, 406297), (556, 362452), (592, 340411), (632, 318866), (1112, 181226), (1147, 175696), (1264, 159433), (2224, 90613), (2294, 87848), (2449, 82288), (2923, 68944), (4309, 46768), (4588, 43924), (4898, 41144), (5143, 39184), (5846, 34472), (8618, 23384), (9176, 21962), (9796, 20572), (10286, 19592), (10981, 18352), (11692, 17236)]