28042980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2945

約数の個数: 96

約数和(自身を含む): 93671424

約数和(自身を除く): 65628444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 2903, 3220, 4830, 5806, 8709, 9660, 11612, 14515, 17418, 20321, 29030, 34836, 40642, 43545, 58060, 60963, 66769, 81284, 87090, 101605, 121926, 133538, 174180, 200307, 203210, 243852, 267076, 304815, 333845, 400614, 406420, 467383, 609630, 667690, 801228, 934766, 1001535, 1219260, 1335380, 1402149, 1869532, 2003070, 2336915, 2804298, 4006140, 4673830, 5608596, 7010745, 9347660, 14021490, 28042980]

約数ペア:

[(1, 28042980), (2, 14021490), (3, 9347660), (4, 7010745), (5, 5608596), (6, 4673830), (7, 4006140), (10, 2804298), (12, 2336915), (14, 2003070), (15, 1869532), (20, 1402149), (21, 1335380), (23, 1219260), (28, 1001535), (30, 934766), (35, 801228), (42, 667690), (46, 609630), (60, 467383), (69, 406420), (70, 400614), (84, 333845), (92, 304815), (105, 267076), (115, 243852), (138, 203210), (140, 200307), (161, 174180), (210, 133538), (230, 121926), (276, 101605), (322, 87090), (345, 81284), (420, 66769), (460, 60963), (483, 58060), (644, 43545), (690, 40642), (805, 34836), (966, 29030), (1380, 20321), (1610, 17418), (1932, 14515), (2415, 11612), (2903, 9660), (3220, 8709), (4830, 5806)]