210800000

素因数分解:

$2^7\times 5^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 192

約数和(自身を含む): 573713280

約数和(自身を除く): 362913280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 125, 128, 136, 155, 160, 170, 200, 248, 250, 272, 310, 320, 340, 400, 425, 496, 500, 527, 544, 620, 625, 640, 680, 775, 800, 850, 992, 1000, 1054, 1088, 1240, 1250, 1360, 1550, 1600, 1700, 1984, 2000, 2108, 2125, 2176, 2480, 2500, 2635, 2720, 3100, 3125, 3200, 3400, 3875, 3968, 4000, 4216, 4250, 4960, 5000, 5270, 5440, 6200, 6250, 6800, 7750, 8000, 8432, 8500, 9920, 10000, 10540, 10625, 10880, 12400, 12500, 13175, 13600, 15500, 16000, 16864, 17000, 19375, 19840, 20000, 21080, 21250, 24800, 25000, 26350, 27200, 31000, 33728, 34000, 38750, 40000, 42160, 42500, 49600, 50000, 52700, 53125, 54400, 62000, 65875, 67456, 68000, 77500, 80000, 84320, 85000, 96875, 99200, 100000, 105400, 106250, 124000, 131750, 136000, 155000, 168640, 170000, 193750, 200000, 210800, 212500, 248000, 263500, 272000, 310000, 329375, 337280, 340000, 387500, 400000, 421600, 425000, 496000, 527000, 620000, 658750, 680000, 775000, 843200, 850000, 1054000, 1240000, 1317500, 1360000, 1550000, 1646875, 1686400, 1700000, 2108000, 2480000, 2635000, 3100000, 3293750, 3400000, 4216000, 5270000, 6200000, 6587500, 6800000, 8432000, 10540000, 12400000, 13175000, 21080000, 26350000, 42160000, 52700000, 105400000, 210800000]

約数ペア:

[(1, 210800000), (2, 105400000), (4, 52700000), (5, 42160000), (8, 26350000), (10, 21080000), (16, 13175000), (17, 12400000), (20, 10540000), (25, 8432000), (31, 6800000), (32, 6587500), (34, 6200000), (40, 5270000), (50, 4216000), (62, 3400000), (64, 3293750), (68, 3100000), (80, 2635000), (85, 2480000), (100, 2108000), (124, 1700000), (125, 1686400), (128, 1646875), (136, 1550000), (155, 1360000), (160, 1317500), (170, 1240000), (200, 1054000), (248, 850000), (250, 843200), (272, 775000), (310, 680000), (320, 658750), (340, 620000), (400, 527000), (425, 496000), (496, 425000), (500, 421600), (527, 400000), (544, 387500), (620, 340000), (625, 337280), (640, 329375), (680, 310000), (775, 272000), (800, 263500), (850, 248000), (992, 212500), (1000, 210800), (1054, 200000), (1088, 193750), (1240, 170000), (1250, 168640), (1360, 155000), (1550, 136000), (1600, 131750), (1700, 124000), (1984, 106250), (2000, 105400), (2108, 100000), (2125, 99200), (2176, 96875), (2480, 85000), (2500, 84320), (2635, 80000), (2720, 77500), (3100, 68000), (3125, 67456), (3200, 65875), (3400, 62000), (3875, 54400), (3968, 53125), (4000, 52700), (4216, 50000), (4250, 49600), (4960, 42500), (5000, 42160), (5270, 40000), (5440, 38750), (6200, 34000), (6250, 33728), (6800, 31000), (7750, 27200), (8000, 26350), (8432, 25000), (8500, 24800), (9920, 21250), (10000, 21080), (10540, 20000), (10625, 19840), (10880, 19375), (12400, 17000), (12500, 16864), (13175, 16000), (13600, 15500)]