78666400

素因数分解:

$2^5\times 5^2\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1046

約数の個数: 72

約数和(自身を含む): 194050080

約数和(自身を除く): 115383680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 107, 160, 200, 214, 400, 428, 535, 800, 856, 919, 1070, 1712, 1838, 2140, 2675, 3424, 3676, 4280, 4595, 5350, 7352, 8560, 9190, 10700, 14704, 17120, 18380, 21400, 22975, 29408, 36760, 42800, 45950, 73520, 85600, 91900, 98333, 147040, 183800, 196666, 367600, 393332, 491665, 735200, 786664, 983330, 1573328, 1966660, 2458325, 3146656, 3933320, 4916650, 7866640, 9833300, 15733280, 19666600, 39333200, 78666400]

約数ペア:

[(1, 78666400), (2, 39333200), (4, 19666600), (5, 15733280), (8, 9833300), (10, 7866640), (16, 4916650), (20, 3933320), (25, 3146656), (32, 2458325), (40, 1966660), (50, 1573328), (80, 983330), (100, 786664), (107, 735200), (160, 491665), (200, 393332), (214, 367600), (400, 196666), (428, 183800), (535, 147040), (800, 98333), (856, 91900), (919, 85600), (1070, 73520), (1712, 45950), (1838, 42800), (2140, 36760), (2675, 29408), (3424, 22975), (3676, 21400), (4280, 18380), (4595, 17120), (5350, 14704), (7352, 10700), (8560, 9190)]