8620870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 17462160

約数和(自身を除く): 8841290

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 157, 170, 190, 289, 314, 323, 578, 646, 785, 1445, 1570, 1615, 2669, 2890, 2983, 3230, 5338, 5491, 5966, 10982, 13345, 14915, 26690, 27455, 29830, 45373, 50711, 54910, 90746, 101422, 226865, 253555, 453730, 507110, 862087, 1724174, 4310435, 8620870]

約数ペア:

[(1, 8620870), (2, 4310435), (5, 1724174), (10, 862087), (17, 507110), (19, 453730), (34, 253555), (38, 226865), (85, 101422), (95, 90746), (157, 54910), (170, 50711), (190, 45373), (289, 29830), (314, 27455), (323, 26690), (578, 14915), (646, 13345), (785, 10982), (1445, 5966), (1570, 5491), (1615, 5338), (2669, 3230), (2890, 2983)]