21508701200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{86311}}^1$

素因数の和:86425

約数の個数: 120

約数和(自身を含む): 59720999040

約数和(自身を除く): 38212297840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 89, 100, 112, 140, 175, 178, 200, 280, 350, 356, 400, 445, 560, 623, 700, 712, 890, 1246, 1400, 1424, 1780, 2225, 2492, 2800, 3115, 3560, 4450, 4984, 6230, 7120, 8900, 9968, 12460, 15575, 17800, 24920, 31150, 35600, 49840, 62300, 86311, 124600, 172622, 249200, 345244, 431555, 604177, 690488, 863110, 1208354, 1380976, 1726220, 2157775, 2416708, 3020885, 3452440, 4315550, 4833416, 6041770, 6904880, 7681679, 8631100, 9666832, 12083540, 15104425, 15363358, 17262200, 24167080, 30208850, 30726716, 34524400, 38408395, 48334160, 53771753, 60417700, 61453432, 76816790, 107543506, 120835400, 122906864, 153633580, 192041975, 215087012, 241670800, 268858765, 307267160, 384083950, 430174024, 537717530, 614534320, 768167900, 860348048, 1075435060, 1344293825, 1536335800, 2150870120, 2688587650, 3072671600, 4301740240, 5377175300, 10754350600, 21508701200]

約数ペア:

[(1, 21508701200), (2, 10754350600), (4, 5377175300), (5, 4301740240), (7, 3072671600), (8, 2688587650), (10, 2150870120), (14, 1536335800), (16, 1344293825), (20, 1075435060), (25, 860348048), (28, 768167900), (35, 614534320), (40, 537717530), (50, 430174024), (56, 384083950), (70, 307267160), (80, 268858765), (89, 241670800), (100, 215087012), (112, 192041975), (140, 153633580), (175, 122906864), (178, 120835400), (200, 107543506), (280, 76816790), (350, 61453432), (356, 60417700), (400, 53771753), (445, 48334160), (560, 38408395), (623, 34524400), (700, 30726716), (712, 30208850), (890, 24167080), (1246, 17262200), (1400, 15363358), (1424, 15104425), (1780, 12083540), (2225, 9666832), (2492, 8631100), (2800, 7681679), (3115, 6904880), (3560, 6041770), (4450, 4833416), (4984, 4315550), (6230, 3452440), (7120, 3020885), (8900, 2416708), (9968, 2157775), (12460, 1726220), (15575, 1380976), (17800, 1208354), (24920, 863110), (31150, 690488), (35600, 604177), (49840, 431555), (62300, 345244), (86311, 249200), (124600, 172622)]