28678050

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 81606756

約数和(自身を除く): 52928706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 73, 75, 81, 90, 97, 135, 146, 150, 162, 194, 219, 225, 270, 291, 365, 405, 438, 450, 485, 582, 657, 675, 730, 810, 873, 970, 1095, 1314, 1350, 1455, 1746, 1825, 1971, 2025, 2190, 2425, 2619, 2910, 3285, 3650, 3942, 4050, 4365, 4850, 5238, 5475, 5913, 6570, 7081, 7275, 7857, 8730, 9855, 10950, 11826, 13095, 14162, 14550, 15714, 16425, 19710, 21243, 21825, 26190, 29565, 32850, 35405, 39285, 42486, 43650, 49275, 59130, 63729, 65475, 70810, 78570, 98550, 106215, 127458, 130950, 147825, 177025, 191187, 196425, 212430, 295650, 318645, 354050, 382374, 392850, 531075, 573561, 637290, 955935, 1062150, 1147122, 1593225, 1911870, 2867805, 3186450, 4779675, 5735610, 9559350, 14339025, 28678050]

約数ペア:

[(1, 28678050), (2, 14339025), (3, 9559350), (5, 5735610), (6, 4779675), (9, 3186450), (10, 2867805), (15, 1911870), (18, 1593225), (25, 1147122), (27, 1062150), (30, 955935), (45, 637290), (50, 573561), (54, 531075), (73, 392850), (75, 382374), (81, 354050), (90, 318645), (97, 295650), (135, 212430), (146, 196425), (150, 191187), (162, 177025), (194, 147825), (219, 130950), (225, 127458), (270, 106215), (291, 98550), (365, 78570), (405, 70810), (438, 65475), (450, 63729), (485, 59130), (582, 49275), (657, 43650), (675, 42486), (730, 39285), (810, 35405), (873, 32850), (970, 29565), (1095, 26190), (1314, 21825), (1350, 21243), (1455, 19710), (1746, 16425), (1825, 15714), (1971, 14550), (2025, 14162), (2190, 13095), (2425, 11826), (2619, 10950), (2910, 9855), (3285, 8730), (3650, 7857), (3942, 7275), (4050, 7081), (4365, 6570), (4850, 5913), (5238, 5475)]