989903904

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2815

約数の個数: 144

約数和(自身を含む): 2949408000

約数和(自身を除く): 1959504096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 121, 124, 132, 176, 186, 242, 248, 264, 341, 352, 363, 372, 484, 496, 528, 682, 726, 744, 968, 992, 1023, 1056, 1364, 1452, 1488, 1936, 2046, 2728, 2749, 2904, 2976, 3751, 3872, 4092, 5456, 5498, 5808, 7502, 8184, 8247, 10912, 10996, 11253, 11616, 15004, 16368, 16494, 21992, 22506, 30008, 30239, 32736, 32988, 43984, 45012, 60016, 60478, 65976, 85219, 87968, 90024, 90717, 120032, 120956, 131952, 170438, 180048, 181434, 241912, 255657, 263904, 332629, 340876, 360096, 362868, 483824, 511314, 665258, 681752, 725736, 937409, 967648, 997887, 1022628, 1330516, 1363504, 1451472, 1874818, 1995774, 2045256, 2661032, 2727008, 2812227, 2902944, 3749636, 3991548, 4090512, 5322064, 5624454, 7499272, 7983096, 8181024, 10311499, 10644128, 11248908, 14998544, 15966192, 20622998, 22497816, 29997088, 30934497, 31932384, 41245996, 44995632, 61868994, 82491992, 89991264, 123737988, 164983984, 247475976, 329967968, 494951952, 989903904]

約数ペア:

[(1, 989903904), (2, 494951952), (3, 329967968), (4, 247475976), (6, 164983984), (8, 123737988), (11, 89991264), (12, 82491992), (16, 61868994), (22, 44995632), (24, 41245996), (31, 31932384), (32, 30934497), (33, 29997088), (44, 22497816), (48, 20622998), (62, 15966192), (66, 14998544), (88, 11248908), (93, 10644128), (96, 10311499), (121, 8181024), (124, 7983096), (132, 7499272), (176, 5624454), (186, 5322064), (242, 4090512), (248, 3991548), (264, 3749636), (341, 2902944), (352, 2812227), (363, 2727008), (372, 2661032), (484, 2045256), (496, 1995774), (528, 1874818), (682, 1451472), (726, 1363504), (744, 1330516), (968, 1022628), (992, 997887), (1023, 967648), (1056, 937409), (1364, 725736), (1452, 681752), (1488, 665258), (1936, 511314), (2046, 483824), (2728, 362868), (2749, 360096), (2904, 340876), (2976, 332629), (3751, 263904), (3872, 255657), (4092, 241912), (5456, 181434), (5498, 180048), (5808, 170438), (7502, 131952), (8184, 120956), (8247, 120032), (10912, 90717), (10996, 90024), (11253, 87968), (11616, 85219), (15004, 65976), (16368, 60478), (16494, 60016), (21992, 45012), (22506, 43984), (30008, 32988), (30239, 32736)]