280017972

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3547

約数の個数: 120

約数和(自身を含む): 830060000

約数和(自身を除く): 550042028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 247, 324, 342, 351, 468, 494, 513, 684, 702, 741, 988, 1026, 1053, 1404, 1482, 1539, 2052, 2106, 2223, 2964, 3078, 3499, 4212, 4446, 6156, 6669, 6998, 8892, 10497, 13338, 13996, 20007, 20994, 26676, 31491, 40014, 41988, 45487, 62982, 66481, 80028, 90974, 94473, 125964, 132962, 136461, 181948, 188946, 199443, 265924, 272922, 283419, 377892, 398886, 409383, 545844, 566838, 598329, 797772, 818766, 864253, 1133676, 1196658, 1228149, 1637532, 1728506, 1794987, 2393316, 2456298, 2592759, 3457012, 3589974, 3684447, 4912596, 5185518, 5384961, 7179948, 7368894, 7778277, 10371036, 10769922, 14737788, 15556554, 21539844, 23334831, 31113108, 46669662, 70004493, 93339324, 140008986, 280017972]

約数ペア:

[(1, 280017972), (2, 140008986), (3, 93339324), (4, 70004493), (6, 46669662), (9, 31113108), (12, 23334831), (13, 21539844), (18, 15556554), (19, 14737788), (26, 10769922), (27, 10371036), (36, 7778277), (38, 7368894), (39, 7179948), (52, 5384961), (54, 5185518), (57, 4912596), (76, 3684447), (78, 3589974), (81, 3457012), (108, 2592759), (114, 2456298), (117, 2393316), (156, 1794987), (162, 1728506), (171, 1637532), (228, 1228149), (234, 1196658), (247, 1133676), (324, 864253), (342, 818766), (351, 797772), (468, 598329), (494, 566838), (513, 545844), (684, 409383), (702, 398886), (741, 377892), (988, 283419), (1026, 272922), (1053, 265924), (1404, 199443), (1482, 188946), (1539, 181948), (2052, 136461), (2106, 132962), (2223, 125964), (2964, 94473), (3078, 90974), (3499, 80028), (4212, 66481), (4446, 62982), (6156, 45487), (6669, 41988), (6998, 40014), (8892, 31491), (10497, 26676), (13338, 20994), (13996, 20007)]