28450400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 78463728

約数和(自身を除く): 50013328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 53, 55, 61, 80, 88, 100, 106, 110, 122, 160, 176, 200, 212, 220, 244, 265, 275, 305, 352, 400, 424, 440, 488, 530, 550, 583, 610, 671, 800, 848, 880, 976, 1060, 1100, 1166, 1220, 1325, 1342, 1525, 1696, 1760, 1952, 2120, 2200, 2332, 2440, 2650, 2684, 2915, 3050, 3233, 3355, 4240, 4400, 4664, 4880, 5300, 5368, 5830, 6100, 6466, 6710, 8480, 8800, 9328, 9760, 10600, 10736, 11660, 12200, 12932, 13420, 14575, 16165, 16775, 18656, 21200, 21472, 23320, 24400, 25864, 26840, 29150, 32330, 33550, 35563, 42400, 46640, 48800, 51728, 53680, 58300, 64660, 67100, 71126, 80825, 93280, 103456, 107360, 116600, 129320, 134200, 142252, 161650, 177815, 233200, 258640, 268400, 284504, 323300, 355630, 466400, 517280, 536800, 569008, 646600, 711260, 889075, 1138016, 1293200, 1422520, 1778150, 2586400, 2845040, 3556300, 5690080, 7112600, 14225200, 28450400]

約数ペア:

[(1, 28450400), (2, 14225200), (4, 7112600), (5, 5690080), (8, 3556300), (10, 2845040), (11, 2586400), (16, 1778150), (20, 1422520), (22, 1293200), (25, 1138016), (32, 889075), (40, 711260), (44, 646600), (50, 569008), (53, 536800), (55, 517280), (61, 466400), (80, 355630), (88, 323300), (100, 284504), (106, 268400), (110, 258640), (122, 233200), (160, 177815), (176, 161650), (200, 142252), (212, 134200), (220, 129320), (244, 116600), (265, 107360), (275, 103456), (305, 93280), (352, 80825), (400, 71126), (424, 67100), (440, 64660), (488, 58300), (530, 53680), (550, 51728), (583, 48800), (610, 46640), (671, 42400), (800, 35563), (848, 33550), (880, 32330), (976, 29150), (1060, 26840), (1100, 25864), (1166, 24400), (1220, 23320), (1325, 21472), (1342, 21200), (1525, 18656), (1696, 16775), (1760, 16165), (1952, 14575), (2120, 13420), (2200, 12932), (2332, 12200), (2440, 11660), (2650, 10736), (2684, 10600), (2915, 9760), (3050, 9328), (3233, 8800), (3355, 8480), (4240, 6710), (4400, 6466), (4664, 6100), (4880, 5830), (5300, 5368)]