348440000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 140

約数和(自身を含む): 895063488

約数和(自身を除く): 546623488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 281, 310, 320, 400, 496, 500, 562, 620, 625, 775, 800, 992, 1000, 1124, 1240, 1250, 1405, 1550, 1600, 1984, 2000, 2248, 2480, 2500, 2810, 3100, 3875, 4000, 4496, 4960, 5000, 5620, 6200, 7025, 7750, 8000, 8711, 8992, 9920, 10000, 11240, 12400, 14050, 15500, 17422, 17984, 19375, 20000, 22480, 24800, 28100, 31000, 34844, 35125, 38750, 40000, 43555, 44960, 49600, 56200, 62000, 69688, 70250, 77500, 87110, 89920, 112400, 124000, 139376, 140500, 155000, 174220, 175625, 217775, 224800, 248000, 278752, 281000, 310000, 348440, 351250, 435550, 449600, 557504, 562000, 620000, 696880, 702500, 871100, 1088875, 1124000, 1240000, 1393760, 1405000, 1742200, 2177750, 2248000, 2787520, 2810000, 3484400, 4355500, 5444375, 5620000, 6968800, 8711000, 10888750, 11240000, 13937600, 17422000, 21777500, 34844000, 43555000, 69688000, 87110000, 174220000, 348440000]

約数ペア:

[(1, 348440000), (2, 174220000), (4, 87110000), (5, 69688000), (8, 43555000), (10, 34844000), (16, 21777500), (20, 17422000), (25, 13937600), (31, 11240000), (32, 10888750), (40, 8711000), (50, 6968800), (62, 5620000), (64, 5444375), (80, 4355500), (100, 3484400), (124, 2810000), (125, 2787520), (155, 2248000), (160, 2177750), (200, 1742200), (248, 1405000), (250, 1393760), (281, 1240000), (310, 1124000), (320, 1088875), (400, 871100), (496, 702500), (500, 696880), (562, 620000), (620, 562000), (625, 557504), (775, 449600), (800, 435550), (992, 351250), (1000, 348440), (1124, 310000), (1240, 281000), (1250, 278752), (1405, 248000), (1550, 224800), (1600, 217775), (1984, 175625), (2000, 174220), (2248, 155000), (2480, 140500), (2500, 139376), (2810, 124000), (3100, 112400), (3875, 89920), (4000, 87110), (4496, 77500), (4960, 70250), (5000, 69688), (5620, 62000), (6200, 56200), (7025, 49600), (7750, 44960), (8000, 43555), (8711, 40000), (8992, 38750), (9920, 35125), (10000, 34844), (11240, 31000), (12400, 28100), (14050, 24800), (15500, 22480), (17422, 20000), (17984, 19375)]