253859200

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1619}}^1$

素因数の和:1657

約数の個数: 144

約数和(自身を含む): 729947700

約数和(自身を除く): 476088500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1400, 1568, 1600, 1619, 1960, 2240, 2450, 2800, 3136, 3200, 3238, 3920, 4480, 4900, 5600, 6272, 6476, 7840, 8095, 9800, 11200, 11333, 12952, 15680, 16190, 19600, 22400, 22666, 25904, 31360, 32380, 39200, 40475, 45332, 51808, 56665, 64760, 78400, 79331, 80950, 90664, 103616, 113330, 129520, 156800, 158662, 161900, 181328, 207232, 226660, 259040, 283325, 317324, 323800, 362656, 396655, 453320, 518080, 566650, 634648, 647600, 725312, 793310, 906640, 1036160, 1133300, 1269296, 1295200, 1450624, 1586620, 1813280, 1983275, 2266600, 2538592, 2590400, 3173240, 3626560, 3966550, 4533200, 5077184, 5180800, 6346480, 7253120, 7933100, 9066400, 10154368, 12692960, 15866200, 18132800, 25385920, 31732400, 36265600, 50771840, 63464800, 126929600, 253859200]

約数ペア:

[(1, 253859200), (2, 126929600), (4, 63464800), (5, 50771840), (7, 36265600), (8, 31732400), (10, 25385920), (14, 18132800), (16, 15866200), (20, 12692960), (25, 10154368), (28, 9066400), (32, 7933100), (35, 7253120), (40, 6346480), (49, 5180800), (50, 5077184), (56, 4533200), (64, 3966550), (70, 3626560), (80, 3173240), (98, 2590400), (100, 2538592), (112, 2266600), (128, 1983275), (140, 1813280), (160, 1586620), (175, 1450624), (196, 1295200), (200, 1269296), (224, 1133300), (245, 1036160), (280, 906640), (320, 793310), (350, 725312), (392, 647600), (400, 634648), (448, 566650), (490, 518080), (560, 453320), (640, 396655), (700, 362656), (784, 323800), (800, 317324), (896, 283325), (980, 259040), (1120, 226660), (1225, 207232), (1400, 181328), (1568, 161900), (1600, 158662), (1619, 156800), (1960, 129520), (2240, 113330), (2450, 103616), (2800, 90664), (3136, 80950), (3200, 79331), (3238, 78400), (3920, 64760), (4480, 56665), (4900, 51808), (5600, 45332), (6272, 40475), (6476, 39200), (7840, 32380), (8095, 31360), (9800, 25904), (11200, 22666), (11333, 22400), (12952, 19600), (15680, 16190)]