209345920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 579882240

約数和(自身を除く): 370536320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 280, 320, 332, 415, 448, 560, 563, 581, 640, 664, 830, 896, 1120, 1126, 1162, 1328, 1660, 2240, 2252, 2324, 2656, 2815, 2905, 3320, 3941, 4480, 4504, 4648, 5312, 5630, 5810, 6640, 7882, 9008, 9296, 10624, 11260, 11620, 13280, 15764, 18016, 18592, 19705, 22520, 23240, 26560, 31528, 36032, 37184, 39410, 45040, 46480, 46729, 53120, 63056, 72064, 74368, 78820, 90080, 92960, 93458, 126112, 157640, 180160, 185920, 186916, 233645, 252224, 315280, 327103, 360320, 371840, 373832, 467290, 504448, 630560, 654206, 747664, 934580, 1261120, 1308412, 1495328, 1635515, 1869160, 2522240, 2616824, 2990656, 3271030, 3738320, 5233648, 5981312, 6542060, 7476640, 10467296, 13084120, 14953280, 20934592, 26168240, 29906560, 41869184, 52336480, 104672960, 209345920]

約数ペア:

[(1, 209345920), (2, 104672960), (4, 52336480), (5, 41869184), (7, 29906560), (8, 26168240), (10, 20934592), (14, 14953280), (16, 13084120), (20, 10467296), (28, 7476640), (32, 6542060), (35, 5981312), (40, 5233648), (56, 3738320), (64, 3271030), (70, 2990656), (80, 2616824), (83, 2522240), (112, 1869160), (128, 1635515), (140, 1495328), (160, 1308412), (166, 1261120), (224, 934580), (280, 747664), (320, 654206), (332, 630560), (415, 504448), (448, 467290), (560, 373832), (563, 371840), (581, 360320), (640, 327103), (664, 315280), (830, 252224), (896, 233645), (1120, 186916), (1126, 185920), (1162, 180160), (1328, 157640), (1660, 126112), (2240, 93458), (2252, 92960), (2324, 90080), (2656, 78820), (2815, 74368), (2905, 72064), (3320, 63056), (3941, 53120), (4480, 46729), (4504, 46480), (4648, 45040), (5312, 39410), (5630, 37184), (5810, 36032), (6640, 31528), (7882, 26560), (9008, 23240), (9296, 22520), (10624, 19705), (11260, 18592), (11620, 18016), (13280, 15764)]