28173390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 85155840

約数和(自身を除く): 56982450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 23, 30, 35, 38, 42, 46, 57, 69, 70, 95, 105, 114, 115, 133, 138, 161, 190, 210, 230, 266, 285, 307, 322, 345, 399, 437, 483, 570, 614, 665, 690, 798, 805, 874, 921, 966, 1311, 1330, 1535, 1610, 1842, 1995, 2149, 2185, 2415, 2622, 3059, 3070, 3990, 4298, 4370, 4605, 4830, 5833, 6118, 6447, 6555, 7061, 9177, 9210, 10745, 11666, 12894, 13110, 14122, 15295, 17499, 18354, 21183, 21490, 29165, 30590, 32235, 34998, 35305, 40831, 42366, 45885, 49427, 58330, 64470, 70610, 81662, 87495, 91770, 98854, 105915, 122493, 134159, 148281, 174990, 204155, 211830, 244986, 247135, 268318, 296562, 402477, 408310, 494270, 612465, 670795, 741405, 804954, 939113, 1224930, 1341590, 1482810, 1878226, 2012385, 2817339, 4024770, 4695565, 5634678, 9391130, 14086695, 28173390]

約数ペア:

[(1, 28173390), (2, 14086695), (3, 9391130), (5, 5634678), (6, 4695565), (7, 4024770), (10, 2817339), (14, 2012385), (15, 1878226), (19, 1482810), (21, 1341590), (23, 1224930), (30, 939113), (35, 804954), (38, 741405), (42, 670795), (46, 612465), (57, 494270), (69, 408310), (70, 402477), (95, 296562), (105, 268318), (114, 247135), (115, 244986), (133, 211830), (138, 204155), (161, 174990), (190, 148281), (210, 134159), (230, 122493), (266, 105915), (285, 98854), (307, 91770), (322, 87495), (345, 81662), (399, 70610), (437, 64470), (483, 58330), (570, 49427), (614, 45885), (665, 42366), (690, 40831), (798, 35305), (805, 34998), (874, 32235), (921, 30590), (966, 29165), (1311, 21490), (1330, 21183), (1535, 18354), (1610, 17499), (1842, 15295), (1995, 14122), (2149, 13110), (2185, 12894), (2415, 11666), (2622, 10745), (3059, 9210), (3070, 9177), (3990, 7061), (4298, 6555), (4370, 6447), (4605, 6118), (4830, 5833)]