207292280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21024

約数の個数: 64

約数和(自身を含む): 528746400

約数和(自身を除く): 321454120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 20981, 41962, 83924, 104905, 167848, 209810, 272753, 398639, 419620, 545506, 797278, 839240, 1091012, 1363765, 1594556, 1993195, 2182024, 2727530, 3189112, 3986390, 5182307, 5455060, 7972780, 10364614, 10910120, 15945560, 20729228, 25911535, 41458456, 51823070, 103646140, 207292280]

約数ペア:

[(1, 207292280), (2, 103646140), (4, 51823070), (5, 41458456), (8, 25911535), (10, 20729228), (13, 15945560), (19, 10910120), (20, 10364614), (26, 7972780), (38, 5455060), (40, 5182307), (52, 3986390), (65, 3189112), (76, 2727530), (95, 2182024), (104, 1993195), (130, 1594556), (152, 1363765), (190, 1091012), (247, 839240), (260, 797278), (380, 545506), (494, 419620), (520, 398639), (760, 272753), (988, 209810), (1235, 167848), (1976, 104905), (2470, 83924), (4940, 41962), (9880, 20981)]