278344850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:600

約数の個数: 96

約数和(自身を含む): 627388416

約数和(自身を除く): 349043566

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 71, 115, 142, 161, 175, 230, 322, 350, 355, 487, 497, 575, 710, 805, 974, 994, 1150, 1610, 1633, 1775, 2435, 2485, 3266, 3409, 3550, 4025, 4870, 4970, 6818, 8050, 8165, 11201, 11431, 12175, 12425, 16330, 17045, 22402, 22862, 24350, 24850, 34090, 34577, 40825, 56005, 57155, 69154, 78407, 81650, 85225, 112010, 114310, 156814, 170450, 172885, 242039, 280025, 285775, 345770, 392035, 484078, 560050, 571550, 784070, 795271, 864425, 1210195, 1590542, 1728850, 1960175, 2420390, 3920350, 3976355, 5566897, 6050975, 7952710, 11133794, 12101950, 19881775, 27834485, 39763550, 55668970, 139172425, 278344850]

約数ペア:

[(1, 278344850), (2, 139172425), (5, 55668970), (7, 39763550), (10, 27834485), (14, 19881775), (23, 12101950), (25, 11133794), (35, 7952710), (46, 6050975), (50, 5566897), (70, 3976355), (71, 3920350), (115, 2420390), (142, 1960175), (161, 1728850), (175, 1590542), (230, 1210195), (322, 864425), (350, 795271), (355, 784070), (487, 571550), (497, 560050), (575, 484078), (710, 392035), (805, 345770), (974, 285775), (994, 280025), (1150, 242039), (1610, 172885), (1633, 170450), (1775, 156814), (2435, 114310), (2485, 112010), (3266, 85225), (3409, 81650), (3550, 78407), (4025, 69154), (4870, 57155), (4970, 56005), (6818, 40825), (8050, 34577), (8165, 34090), (11201, 24850), (11431, 24350), (12175, 22862), (12425, 22402), (16330, 17045)]