28982360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 71712000

約数和(自身を除く): 42729640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 331, 398, 440, 662, 796, 995, 1324, 1592, 1655, 1990, 2189, 2648, 3310, 3641, 3980, 4378, 6620, 7282, 7960, 8756, 10945, 13240, 14564, 17512, 18205, 21890, 29128, 36410, 43780, 65869, 72820, 87560, 131738, 145640, 263476, 329345, 526952, 658690, 724559, 1317380, 1449118, 2634760, 2898236, 3622795, 5796472, 7245590, 14491180, 28982360]

約数ペア:

[(1, 28982360), (2, 14491180), (4, 7245590), (5, 5796472), (8, 3622795), (10, 2898236), (11, 2634760), (20, 1449118), (22, 1317380), (40, 724559), (44, 658690), (55, 526952), (88, 329345), (110, 263476), (199, 145640), (220, 131738), (331, 87560), (398, 72820), (440, 65869), (662, 43780), (796, 36410), (995, 29128), (1324, 21890), (1592, 18205), (1655, 17512), (1990, 14564), (2189, 13240), (2648, 10945), (3310, 8756), (3641, 7960), (3980, 7282), (4378, 6620)]