90474860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1327}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 217749504

約数和(自身を除く): 127274644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1327, 1948, 2435, 2654, 3409, 4870, 5308, 6635, 6818, 9289, 9740, 13270, 13636, 17045, 18578, 26540, 34090, 37156, 46445, 68180, 92890, 185780, 646249, 1292498, 2584996, 3231245, 4523743, 6462490, 9047486, 12924980, 18094972, 22618715, 45237430, 90474860]

約数ペア:

[(1, 90474860), (2, 45237430), (4, 22618715), (5, 18094972), (7, 12924980), (10, 9047486), (14, 6462490), (20, 4523743), (28, 3231245), (35, 2584996), (70, 1292498), (140, 646249), (487, 185780), (974, 92890), (1327, 68180), (1948, 46445), (2435, 37156), (2654, 34090), (3409, 26540), (4870, 18578), (5308, 17045), (6635, 13636), (6818, 13270), (9289, 9740)]