1520342900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 3364810680

約数和(自身を除く): 1844467780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 109, 202, 218, 404, 436, 505, 545, 1010, 1090, 1381, 2020, 2180, 2525, 2725, 2762, 5050, 5450, 5524, 6905, 10100, 10900, 11009, 13810, 22018, 27620, 34525, 44036, 55045, 69050, 110090, 138100, 139481, 150529, 220180, 275225, 278962, 301058, 550450, 557924, 602116, 697405, 752645, 1100900, 1394810, 1505290, 2789620, 3010580, 3487025, 3763225, 6974050, 7526450, 13948100, 15052900, 15203429, 30406858, 60813716, 76017145, 152034290, 304068580, 380085725, 760171450, 1520342900]

約数ペア:

[(1, 1520342900), (2, 760171450), (4, 380085725), (5, 304068580), (10, 152034290), (20, 76017145), (25, 60813716), (50, 30406858), (100, 15203429), (101, 15052900), (109, 13948100), (202, 7526450), (218, 6974050), (404, 3763225), (436, 3487025), (505, 3010580), (545, 2789620), (1010, 1505290), (1090, 1394810), (1381, 1100900), (2020, 752645), (2180, 697405), (2525, 602116), (2725, 557924), (2762, 550450), (5050, 301058), (5450, 278962), (5524, 275225), (6905, 220180), (10100, 150529), (10900, 139481), (11009, 138100), (13810, 110090), (22018, 69050), (27620, 55045), (34525, 44036)]