209312000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 540793344

約数和(自身を除く): 331481344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 211, 248, 250, 256, 310, 320, 400, 422, 496, 500, 620, 640, 775, 800, 844, 992, 1000, 1055, 1240, 1280, 1550, 1600, 1688, 1984, 2000, 2110, 2480, 3100, 3200, 3376, 3875, 3968, 4000, 4220, 4960, 5275, 6200, 6400, 6541, 6752, 7750, 7936, 8000, 8440, 9920, 10550, 12400, 13082, 13504, 15500, 16000, 16880, 19840, 21100, 24800, 26164, 26375, 27008, 31000, 32000, 32705, 33760, 39680, 42200, 49600, 52328, 52750, 54016, 62000, 65410, 67520, 84400, 99200, 104656, 105500, 124000, 130820, 135040, 163525, 168800, 198400, 209312, 211000, 248000, 261640, 270080, 327050, 337600, 418624, 422000, 496000, 523280, 654100, 675200, 817625, 837248, 844000, 992000, 1046560, 1308200, 1350400, 1635250, 1674496, 1688000, 2093120, 2616400, 3270500, 3376000, 4186240, 5232800, 6541000, 6752000, 8372480, 10465600, 13082000, 20931200, 26164000, 41862400, 52328000, 104656000, 209312000]

約数ペア:

[(1, 209312000), (2, 104656000), (4, 52328000), (5, 41862400), (8, 26164000), (10, 20931200), (16, 13082000), (20, 10465600), (25, 8372480), (31, 6752000), (32, 6541000), (40, 5232800), (50, 4186240), (62, 3376000), (64, 3270500), (80, 2616400), (100, 2093120), (124, 1688000), (125, 1674496), (128, 1635250), (155, 1350400), (160, 1308200), (200, 1046560), (211, 992000), (248, 844000), (250, 837248), (256, 817625), (310, 675200), (320, 654100), (400, 523280), (422, 496000), (496, 422000), (500, 418624), (620, 337600), (640, 327050), (775, 270080), (800, 261640), (844, 248000), (992, 211000), (1000, 209312), (1055, 198400), (1240, 168800), (1280, 163525), (1550, 135040), (1600, 130820), (1688, 124000), (1984, 105500), (2000, 104656), (2110, 99200), (2480, 84400), (3100, 67520), (3200, 65410), (3376, 62000), (3875, 54016), (3968, 52750), (4000, 52328), (4220, 49600), (4960, 42200), (5275, 39680), (6200, 33760), (6400, 32705), (6541, 32000), (6752, 31000), (7750, 27008), (7936, 26375), (8000, 26164), (8440, 24800), (9920, 21100), (10550, 19840), (12400, 16880), (13082, 16000), (13504, 15500)]