290992000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1441

約数の個数: 128

約数和(自身を含む): 779688000

約数和(自身を除く): 488696000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 640, 650, 800, 832, 1000, 1040, 1300, 1399, 1600, 1625, 1664, 2000, 2080, 2600, 2798, 3200, 3250, 4000, 4160, 5200, 5596, 6500, 6995, 8000, 8320, 10400, 11192, 13000, 13990, 16000, 18187, 20800, 22384, 26000, 27980, 34975, 36374, 41600, 44768, 52000, 55960, 69950, 72748, 89536, 90935, 104000, 111920, 139900, 145496, 174875, 179072, 181870, 208000, 223840, 279800, 290992, 349750, 363740, 447680, 454675, 559600, 581984, 699500, 727480, 895360, 909350, 1119200, 1163968, 1399000, 1454960, 1818700, 2238400, 2273375, 2327936, 2798000, 2909920, 3637400, 4476800, 4546750, 5596000, 5819840, 7274800, 9093500, 11192000, 11639680, 14549600, 18187000, 22384000, 29099200, 36374000, 58198400, 72748000, 145496000, 290992000]

約数ペア:

[(1, 290992000), (2, 145496000), (4, 72748000), (5, 58198400), (8, 36374000), (10, 29099200), (13, 22384000), (16, 18187000), (20, 14549600), (25, 11639680), (26, 11192000), (32, 9093500), (40, 7274800), (50, 5819840), (52, 5596000), (64, 4546750), (65, 4476800), (80, 3637400), (100, 2909920), (104, 2798000), (125, 2327936), (128, 2273375), (130, 2238400), (160, 1818700), (200, 1454960), (208, 1399000), (250, 1163968), (260, 1119200), (320, 909350), (325, 895360), (400, 727480), (416, 699500), (500, 581984), (520, 559600), (640, 454675), (650, 447680), (800, 363740), (832, 349750), (1000, 290992), (1040, 279800), (1300, 223840), (1399, 208000), (1600, 181870), (1625, 179072), (1664, 174875), (2000, 145496), (2080, 139900), (2600, 111920), (2798, 104000), (3200, 90935), (3250, 89536), (4000, 72748), (4160, 69950), (5200, 55960), (5596, 52000), (6500, 44768), (6995, 41600), (8000, 36374), (8320, 34975), (10400, 27980), (11192, 26000), (13000, 22384), (13990, 20800), (16000, 18187)]