135145460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1009}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 293376720

約数和(自身を除く): 158231260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 181, 185, 362, 370, 724, 740, 905, 1009, 1810, 2018, 3620, 4036, 5045, 6697, 10090, 13394, 20180, 26788, 33485, 37333, 66970, 74666, 133940, 149332, 182629, 186665, 365258, 373330, 730516, 746660, 913145, 1826290, 3652580, 6757273, 13514546, 27029092, 33786365, 67572730, 135145460]

約数ペア:

[(1, 135145460), (2, 67572730), (4, 33786365), (5, 27029092), (10, 13514546), (20, 6757273), (37, 3652580), (74, 1826290), (148, 913145), (181, 746660), (185, 730516), (362, 373330), (370, 365258), (724, 186665), (740, 182629), (905, 149332), (1009, 133940), (1810, 74666), (2018, 66970), (3620, 37333), (4036, 33485), (5045, 26788), (6697, 20180), (10090, 13394)]