20148607675

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{9613}}^1$

素因数の和:9725

約数の個数: 72

約数和(自身を含む): 30578288400

約数和(自身を除く): 10429680725

約数列:

[1, 5, 7, 25, 29, 35, 49, 59, 145, 175, 203, 245, 295, 413, 725, 1015, 1225, 1421, 1475, 1711, 2065, 2891, 5075, 7105, 8555, 9613, 10325, 11977, 14455, 35525, 42775, 48065, 59885, 67291, 72275, 83839, 240325, 278777, 299425, 336455, 419195, 471037, 567167, 1393885, 1682275, 1951439, 2095975, 2355185, 2835835, 3970169, 6969425, 9757195, 11775925, 13660073, 14179175, 16447843, 19850845, 27791183, 48785975, 68300365, 82239215, 99254225, 115134901, 138955915, 341501825, 411196075, 575674505, 694779575, 805944307, 2878372525, 4029721535, 20148607675]

約数ペア:

[(1, 20148607675), (5, 4029721535), (7, 2878372525), (25, 805944307), (29, 694779575), (35, 575674505), (49, 411196075), (59, 341501825), (145, 138955915), (175, 115134901), (203, 99254225), (245, 82239215), (295, 68300365), (413, 48785975), (725, 27791183), (1015, 19850845), (1225, 16447843), (1421, 14179175), (1475, 13660073), (1711, 11775925), (2065, 9757195), (2891, 6969425), (5075, 3970169), (7105, 2835835), (8555, 2355185), (9613, 2095975), (10325, 1951439), (11977, 1682275), (14455, 1393885), (35525, 567167), (42775, 471037), (48065, 419195), (59885, 336455), (67291, 299425), (72275, 278777), (83839, 240325)]