23037500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 53590320

約数和(自身を除く): 30552820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 97, 100, 125, 190, 194, 250, 380, 388, 475, 485, 500, 625, 950, 970, 1250, 1843, 1900, 1940, 2375, 2425, 2500, 3125, 3686, 4750, 4850, 6250, 7372, 9215, 9500, 9700, 11875, 12125, 12500, 18430, 23750, 24250, 36860, 46075, 47500, 48500, 59375, 60625, 92150, 118750, 121250, 184300, 230375, 237500, 242500, 303125, 460750, 606250, 921500, 1151875, 1212500, 2303750, 4607500, 5759375, 11518750, 23037500]

約数ペア:

[(1, 23037500), (2, 11518750), (4, 5759375), (5, 4607500), (10, 2303750), (19, 1212500), (20, 1151875), (25, 921500), (38, 606250), (50, 460750), (76, 303125), (95, 242500), (97, 237500), (100, 230375), (125, 184300), (190, 121250), (194, 118750), (250, 92150), (380, 60625), (388, 59375), (475, 48500), (485, 47500), (500, 46075), (625, 36860), (950, 24250), (970, 23750), (1250, 18430), (1843, 12500), (1900, 12125), (1940, 11875), (2375, 9700), (2425, 9500), (2500, 9215), (3125, 7372), (3686, 6250), (4750, 4850)]