1878005016575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1115089}}^1$

素因数の和:1115252

約数の個数: 48

約数和(自身を含む): 2538658497600

約数和(自身を除く): 660653481025

約数列:

[1, 5, 23, 25, 29, 101, 115, 145, 505, 575, 667, 725, 2323, 2525, 2929, 3335, 11615, 14645, 16675, 58075, 67367, 73225, 336835, 1115089, 1684175, 5575445, 25647047, 27877225, 32337581, 112623989, 128235235, 161687905, 563119945, 641176175, 743764363, 808439525, 2590351747, 2815599725, 3266095681, 3718821815, 12951758735, 16330478405, 18594109075, 64758793675, 75120200663, 81652392025, 375601003315, 1878005016575]

約数ペア:

[(1, 1878005016575), (5, 375601003315), (23, 81652392025), (25, 75120200663), (29, 64758793675), (101, 18594109075), (115, 16330478405), (145, 12951758735), (505, 3718821815), (575, 3266095681), (667, 2815599725), (725, 2590351747), (2323, 808439525), (2525, 743764363), (2929, 641176175), (3335, 563119945), (11615, 161687905), (14645, 128235235), (16675, 112623989), (58075, 32337581), (67367, 27877225), (73225, 25647047), (336835, 5575445), (1115089, 1684175)]