788135960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{4339}}^1$

素因数の和:4608

約数の個数: 64

約数和(自身を含む): 1874880000

約数和(自身を除く): 1086744040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 760, 956, 1195, 1912, 2390, 4339, 4541, 4780, 8678, 9082, 9560, 17356, 18164, 21695, 22705, 34712, 36328, 43390, 45410, 82441, 86780, 90820, 164882, 173560, 181640, 329764, 412205, 659528, 824410, 1037021, 1648820, 2074042, 3297640, 4148084, 5185105, 8296168, 10370210, 19703399, 20740420, 39406798, 41480840, 78813596, 98516995, 157627192, 197033990, 394067980, 788135960]

約数ペア:

[(1, 788135960), (2, 394067980), (4, 197033990), (5, 157627192), (8, 98516995), (10, 78813596), (19, 41480840), (20, 39406798), (38, 20740420), (40, 19703399), (76, 10370210), (95, 8296168), (152, 5185105), (190, 4148084), (239, 3297640), (380, 2074042), (478, 1648820), (760, 1037021), (956, 824410), (1195, 659528), (1912, 412205), (2390, 329764), (4339, 181640), (4541, 173560), (4780, 164882), (8678, 90820), (9082, 86780), (9560, 82441), (17356, 45410), (18164, 43390), (21695, 36328), (22705, 34712)]