87613780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 190236816

約数和(自身を除く): 102623036

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 601, 740, 788, 985, 1202, 1970, 2404, 3005, 3940, 6010, 7289, 12020, 14578, 22237, 29156, 36445, 44474, 72890, 88948, 111185, 118397, 145780, 222370, 236794, 444740, 473588, 591985, 1183970, 2367940, 4380689, 8761378, 17522756, 21903445, 43806890, 87613780]

約数ペア:

[(1, 87613780), (2, 43806890), (4, 21903445), (5, 17522756), (10, 8761378), (20, 4380689), (37, 2367940), (74, 1183970), (148, 591985), (185, 473588), (197, 444740), (370, 236794), (394, 222370), (601, 145780), (740, 118397), (788, 111185), (985, 88948), (1202, 72890), (1970, 44474), (2404, 36445), (3005, 29156), (3940, 22237), (6010, 14578), (7289, 12020)]