87381190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2137

約数の個数: 64

約数和(自身を含む): 188879040

約数和(自身を除く): 101497850

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2081, 2210, 2470, 3230, 4162, 4199, 8398, 10405, 20810, 20995, 27053, 35377, 39539, 41990, 54106, 70754, 79078, 135265, 176885, 197695, 270530, 353770, 395390, 459901, 514007, 672163, 919802, 1028014, 1344326, 2299505, 2570035, 3360815, 4599010, 5140070, 6721630, 8738119, 17476238, 43690595, 87381190]

約数ペア:

[(1, 87381190), (2, 43690595), (5, 17476238), (10, 8738119), (13, 6721630), (17, 5140070), (19, 4599010), (26, 3360815), (34, 2570035), (38, 2299505), (65, 1344326), (85, 1028014), (95, 919802), (130, 672163), (170, 514007), (190, 459901), (221, 395390), (247, 353770), (323, 270530), (442, 197695), (494, 176885), (646, 135265), (1105, 79078), (1235, 70754), (1615, 54106), (2081, 41990), (2210, 39539), (2470, 35377), (3230, 27053), (4162, 20995), (4199, 20810), (8398, 10405)]