69898820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 150232320

約数和(自身を除く): 80333500

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 356, 367, 428, 445, 535, 734, 890, 1070, 1468, 1780, 1835, 2140, 3670, 7340, 9523, 19046, 32663, 38092, 39269, 47615, 65326, 78538, 95230, 130652, 157076, 163315, 190460, 196345, 326630, 392690, 653260, 785380, 3494941, 6989882, 13979764, 17474705, 34949410, 69898820]

約数ペア:

[(1, 69898820), (2, 34949410), (4, 17474705), (5, 13979764), (10, 6989882), (20, 3494941), (89, 785380), (107, 653260), (178, 392690), (214, 326630), (356, 196345), (367, 190460), (428, 163315), (445, 157076), (535, 130652), (734, 95230), (890, 78538), (1070, 65326), (1468, 47615), (1780, 39269), (1835, 38092), (2140, 32663), (3670, 19046), (7340, 9523)]