15697910225

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 20108088000

約数和(自身を除く): 4410177775

約数列:

[1, 5, 25, 59, 109, 251, 295, 389, 545, 1255, 1475, 1945, 2725, 6275, 6431, 9725, 14809, 22951, 27359, 32155, 42401, 74045, 97639, 114755, 136795, 160775, 212005, 370225, 488195, 573775, 683975, 1060025, 1614181, 2440975, 2501659, 5760701, 8070905, 10642651, 12508295, 28803505, 40354525, 53213255, 62541475, 144017525, 266066275, 627916409, 3139582045, 15697910225]

約数ペア:

[(1, 15697910225), (5, 3139582045), (25, 627916409), (59, 266066275), (109, 144017525), (251, 62541475), (295, 53213255), (389, 40354525), (545, 28803505), (1255, 12508295), (1475, 10642651), (1945, 8070905), (2725, 5760701), (6275, 2501659), (6431, 2440975), (9725, 1614181), (14809, 1060025), (22951, 683975), (27359, 573775), (32155, 488195), (42401, 370225), (74045, 212005), (97639, 160775), (114755, 136795)]