17775320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 42035760

約数和(自身を除く): 24260440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 12788, 15985, 19321, 25576, 31970, 38642, 63940, 77284, 96605, 127880, 154568, 193210, 386420, 444383, 772840, 888766, 1777532, 2221915, 3555064, 4443830, 8887660, 17775320]

約数ペア:

[(1, 17775320), (2, 8887660), (4, 4443830), (5, 3555064), (8, 2221915), (10, 1777532), (20, 888766), (23, 772840), (40, 444383), (46, 386420), (92, 193210), (115, 154568), (139, 127880), (184, 96605), (230, 77284), (278, 63940), (460, 38642), (556, 31970), (695, 25576), (920, 19321), (1112, 15985), (1390, 12788), (2780, 6394), (3197, 5560)]