28773690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 83607552

約数和(自身を除く): 54833862

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 23, 30, 33, 34, 46, 51, 55, 66, 69, 85, 102, 110, 115, 138, 165, 170, 187, 223, 230, 253, 255, 330, 345, 374, 391, 446, 506, 510, 561, 669, 690, 759, 782, 935, 1115, 1122, 1173, 1265, 1338, 1518, 1870, 1955, 2230, 2346, 2453, 2530, 2805, 3345, 3791, 3795, 3910, 4301, 4906, 5129, 5610, 5865, 6690, 7359, 7582, 7590, 8602, 10258, 11373, 11730, 12265, 12903, 14718, 15387, 18955, 21505, 22746, 24530, 25645, 25806, 30774, 36795, 37910, 41701, 43010, 51290, 56419, 56865, 64515, 73590, 76935, 83402, 87193, 112838, 113730, 125103, 129030, 153870, 169257, 174386, 208505, 250206, 261579, 282095, 338514, 417010, 435965, 523158, 564190, 625515, 846285, 871930, 959123, 1251030, 1307895, 1692570, 1918246, 2615790, 2877369, 4795615, 5754738, 9591230, 14386845, 28773690]

約数ペア:

[(1, 28773690), (2, 14386845), (3, 9591230), (5, 5754738), (6, 4795615), (10, 2877369), (11, 2615790), (15, 1918246), (17, 1692570), (22, 1307895), (23, 1251030), (30, 959123), (33, 871930), (34, 846285), (46, 625515), (51, 564190), (55, 523158), (66, 435965), (69, 417010), (85, 338514), (102, 282095), (110, 261579), (115, 250206), (138, 208505), (165, 174386), (170, 169257), (187, 153870), (223, 129030), (230, 125103), (253, 113730), (255, 112838), (330, 87193), (345, 83402), (374, 76935), (391, 73590), (446, 64515), (506, 56865), (510, 56419), (561, 51290), (669, 43010), (690, 41701), (759, 37910), (782, 36795), (935, 30774), (1115, 25806), (1122, 25645), (1173, 24530), (1265, 22746), (1338, 21505), (1518, 18955), (1870, 15387), (1955, 14718), (2230, 12903), (2346, 12265), (2453, 11730), (2530, 11373), (2805, 10258), (3345, 8602), (3791, 7590), (3795, 7582), (3910, 7359), (4301, 6690), (4906, 5865), (5129, 5610)]