215434870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 457228800

約数和(自身を除く): 241793930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 107, 214, 245, 343, 490, 535, 587, 686, 749, 1070, 1174, 1498, 1715, 2935, 3430, 3745, 4109, 5243, 5870, 7490, 8218, 10486, 20545, 26215, 28763, 36701, 41090, 52430, 57526, 62809, 73402, 125618, 143815, 183505, 201341, 287630, 314045, 367010, 402682, 439663, 628090, 879326, 1006705, 2013410, 2198315, 3077641, 4396630, 6155282, 15388205, 21543487, 30776410, 43086974, 107717435, 215434870]

約数ペア:

[(1, 215434870), (2, 107717435), (5, 43086974), (7, 30776410), (10, 21543487), (14, 15388205), (35, 6155282), (49, 4396630), (70, 3077641), (98, 2198315), (107, 2013410), (214, 1006705), (245, 879326), (343, 628090), (490, 439663), (535, 402682), (587, 367010), (686, 314045), (749, 287630), (1070, 201341), (1174, 183505), (1498, 143815), (1715, 125618), (2935, 73402), (3430, 62809), (3745, 57526), (4109, 52430), (5243, 41090), (5870, 36701), (7490, 28763), (8218, 26215), (10486, 20545)]