65403700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 154677600

約数和(自身を除く): 89273900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1187, 1450, 1900, 2204, 2374, 2755, 2900, 4748, 5510, 5935, 11020, 11870, 13775, 22553, 23740, 27550, 29675, 34423, 45106, 55100, 59350, 68846, 90212, 112765, 118700, 137692, 172115, 225530, 344230, 451060, 563825, 654037, 688460, 860575, 1127650, 1308074, 1721150, 2255300, 2616148, 3270185, 3442300, 6540370, 13080740, 16350925, 32701850, 65403700]

約数ペア:

[(1, 65403700), (2, 32701850), (4, 16350925), (5, 13080740), (10, 6540370), (19, 3442300), (20, 3270185), (25, 2616148), (29, 2255300), (38, 1721150), (50, 1308074), (58, 1127650), (76, 860575), (95, 688460), (100, 654037), (116, 563825), (145, 451060), (190, 344230), (290, 225530), (380, 172115), (475, 137692), (551, 118700), (580, 112765), (725, 90212), (950, 68846), (1102, 59350), (1187, 55100), (1450, 45106), (1900, 34423), (2204, 29675), (2374, 27550), (2755, 23740), (2900, 22553), (4748, 13775), (5510, 11870), (5935, 11020)]