490815900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7681}}^1$

素因数の和:7772

約数の個数: 108

約数和(自身を含む): 1560306384

約数和(自身を除く): 1069490484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 300, 355, 426, 450, 639, 710, 852, 900, 1065, 1278, 1420, 1775, 2130, 2556, 3195, 3550, 4260, 5325, 6390, 7100, 7681, 10650, 12780, 15362, 15975, 21300, 23043, 30724, 31950, 38405, 46086, 63900, 69129, 76810, 92172, 115215, 138258, 153620, 192025, 230430, 276516, 345645, 384050, 460860, 545351, 576075, 691290, 768100, 1090702, 1152150, 1382580, 1636053, 1728225, 2181404, 2304300, 2726755, 3272106, 3456450, 4908159, 5453510, 6544212, 6912900, 8180265, 9816318, 10907020, 13633775, 16360530, 19632636, 24540795, 27267550, 32721060, 40901325, 49081590, 54535100, 81802650, 98163180, 122703975, 163605300, 245407950, 490815900]

約数ペア:

[(1, 490815900), (2, 245407950), (3, 163605300), (4, 122703975), (5, 98163180), (6, 81802650), (9, 54535100), (10, 49081590), (12, 40901325), (15, 32721060), (18, 27267550), (20, 24540795), (25, 19632636), (30, 16360530), (36, 13633775), (45, 10907020), (50, 9816318), (60, 8180265), (71, 6912900), (75, 6544212), (90, 5453510), (100, 4908159), (142, 3456450), (150, 3272106), (180, 2726755), (213, 2304300), (225, 2181404), (284, 1728225), (300, 1636053), (355, 1382580), (426, 1152150), (450, 1090702), (639, 768100), (710, 691290), (852, 576075), (900, 545351), (1065, 460860), (1278, 384050), (1420, 345645), (1775, 276516), (2130, 230430), (2556, 192025), (3195, 153620), (3550, 138258), (4260, 115215), (5325, 92172), (6390, 76810), (7100, 69129), (7681, 63900), (10650, 46086), (12780, 38405), (15362, 31950), (15975, 30724), (21300, 23043)]