78589460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 169610112

約数和(自身を除く): 91020652

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 491, 530, 604, 755, 982, 1060, 1510, 1964, 2455, 3020, 4910, 8003, 9820, 16006, 26023, 32012, 40015, 52046, 74141, 80030, 104092, 130115, 148282, 160060, 260230, 296564, 370705, 520460, 741410, 1482820, 3929473, 7858946, 15717892, 19647365, 39294730, 78589460]

約数ペア:

[(1, 78589460), (2, 39294730), (4, 19647365), (5, 15717892), (10, 7858946), (20, 3929473), (53, 1482820), (106, 741410), (151, 520460), (212, 370705), (265, 296564), (302, 260230), (491, 160060), (530, 148282), (604, 130115), (755, 104092), (982, 80030), (1060, 74141), (1510, 52046), (1964, 40015), (2455, 32012), (3020, 26023), (4910, 16006), (8003, 9820)]