90187100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 204830640

約数和(自身を除く): 114643540

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 137, 145, 227, 274, 290, 454, 548, 580, 685, 725, 908, 1135, 1370, 1450, 2270, 2740, 2900, 3425, 3973, 4540, 5675, 6583, 6850, 7946, 11350, 13166, 13700, 15892, 19865, 22700, 26332, 31099, 32915, 39730, 62198, 65830, 79460, 99325, 124396, 131660, 155495, 164575, 198650, 310990, 329150, 397300, 621980, 658300, 777475, 901871, 1554950, 1803742, 3109900, 3607484, 4509355, 9018710, 18037420, 22546775, 45093550, 90187100]

約数ペア:

[(1, 90187100), (2, 45093550), (4, 22546775), (5, 18037420), (10, 9018710), (20, 4509355), (25, 3607484), (29, 3109900), (50, 1803742), (58, 1554950), (100, 901871), (116, 777475), (137, 658300), (145, 621980), (227, 397300), (274, 329150), (290, 310990), (454, 198650), (548, 164575), (580, 155495), (685, 131660), (725, 124396), (908, 99325), (1135, 79460), (1370, 65830), (1450, 62198), (2270, 39730), (2740, 32915), (2900, 31099), (3425, 26332), (3973, 22700), (4540, 19865), (5675, 15892), (6583, 13700), (6850, 13166), (7946, 11350)]