138890000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 200

約数和(自身を含む): 383502240

約数和(自身を除く): 244612240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 43, 50, 68, 76, 80, 85, 86, 95, 100, 125, 136, 152, 170, 172, 190, 200, 215, 250, 272, 304, 323, 340, 344, 380, 400, 425, 430, 475, 500, 625, 646, 680, 688, 731, 760, 817, 850, 860, 950, 1000, 1075, 1250, 1292, 1360, 1462, 1520, 1615, 1634, 1700, 1720, 1900, 2000, 2125, 2150, 2375, 2500, 2584, 2924, 3230, 3268, 3400, 3440, 3655, 3800, 4085, 4250, 4300, 4750, 5000, 5168, 5375, 5848, 6460, 6536, 6800, 7310, 7600, 8075, 8170, 8500, 8600, 9500, 10000, 10625, 10750, 11696, 11875, 12920, 13072, 13889, 14620, 16150, 16340, 17000, 17200, 18275, 19000, 20425, 21250, 21500, 23750, 25840, 26875, 27778, 29240, 32300, 32680, 34000, 36550, 38000, 40375, 40850, 42500, 43000, 47500, 53750, 55556, 58480, 64600, 65360, 69445, 73100, 80750, 81700, 85000, 86000, 91375, 95000, 102125, 107500, 111112, 129200, 138890, 146200, 161500, 163400, 170000, 182750, 190000, 201875, 204250, 215000, 222224, 277780, 292400, 323000, 326800, 347225, 365500, 403750, 408500, 430000, 456875, 510625, 555560, 646000, 694450, 731000, 807500, 817000, 913750, 1021250, 1111120, 1388900, 1462000, 1615000, 1634000, 1736125, 1827500, 2042500, 2777800, 3230000, 3472250, 3655000, 4085000, 5555600, 6944500, 7310000, 8170000, 8680625, 13889000, 17361250, 27778000, 34722500, 69445000, 138890000]

約数ペア:

[(1, 138890000), (2, 69445000), (4, 34722500), (5, 27778000), (8, 17361250), (10, 13889000), (16, 8680625), (17, 8170000), (19, 7310000), (20, 6944500), (25, 5555600), (34, 4085000), (38, 3655000), (40, 3472250), (43, 3230000), (50, 2777800), (68, 2042500), (76, 1827500), (80, 1736125), (85, 1634000), (86, 1615000), (95, 1462000), (100, 1388900), (125, 1111120), (136, 1021250), (152, 913750), (170, 817000), (172, 807500), (190, 731000), (200, 694450), (215, 646000), (250, 555560), (272, 510625), (304, 456875), (323, 430000), (340, 408500), (344, 403750), (380, 365500), (400, 347225), (425, 326800), (430, 323000), (475, 292400), (500, 277780), (625, 222224), (646, 215000), (680, 204250), (688, 201875), (731, 190000), (760, 182750), (817, 170000), (850, 163400), (860, 161500), (950, 146200), (1000, 138890), (1075, 129200), (1250, 111112), (1292, 107500), (1360, 102125), (1462, 95000), (1520, 91375), (1615, 86000), (1634, 85000), (1700, 81700), (1720, 80750), (1900, 73100), (2000, 69445), (2125, 65360), (2150, 64600), (2375, 58480), (2500, 55556), (2584, 53750), (2924, 47500), (3230, 43000), (3268, 42500), (3400, 40850), (3440, 40375), (3655, 38000), (3800, 36550), (4085, 34000), (4250, 32680), (4300, 32300), (4750, 29240), (5000, 27778), (5168, 26875), (5375, 25840), (5848, 23750), (6460, 21500), (6536, 21250), (6800, 20425), (7310, 19000), (7600, 18275), (8075, 17200), (8170, 17000), (8500, 16340), (8600, 16150), (9500, 14620), (10000, 13889), (10625, 13072), (10750, 12920), (11696, 11875)]