201541900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41131}}^1$

素因数の和:41159

約数の個数: 54

約数和(自身を含む): 508761708

約数和(自身を除く): 307219808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 41131, 82262, 164524, 205655, 287917, 411310, 575834, 822620, 1028275, 1151668, 1439585, 2015419, 2056550, 2879170, 4030838, 4113100, 5758340, 7197925, 8061676, 10077095, 14395850, 20154190, 28791700, 40308380, 50385475, 100770950, 201541900]

約数ペア:

[(1, 201541900), (2, 100770950), (4, 50385475), (5, 40308380), (7, 28791700), (10, 20154190), (14, 14395850), (20, 10077095), (25, 8061676), (28, 7197925), (35, 5758340), (49, 4113100), (50, 4030838), (70, 2879170), (98, 2056550), (100, 2015419), (140, 1439585), (175, 1151668), (196, 1028275), (245, 822620), (350, 575834), (490, 411310), (700, 287917), (980, 205655), (1225, 164524), (2450, 82262), (4900, 41131)]