68420975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 102850560

約数和(自身を除く): 34429585

約数列:

[1, 5, 7, 23, 25, 35, 89, 115, 161, 175, 191, 445, 575, 623, 805, 955, 1337, 2047, 2225, 3115, 4025, 4393, 4775, 6685, 10235, 14329, 15575, 16999, 21965, 30751, 33425, 51175, 71645, 84995, 109825, 118993, 153755, 358225, 390977, 424975, 594965, 768775, 1954885, 2736839, 2974825, 9774425, 13684195, 68420975]

約数ペア:

[(1, 68420975), (5, 13684195), (7, 9774425), (23, 2974825), (25, 2736839), (35, 1954885), (89, 768775), (115, 594965), (161, 424975), (175, 390977), (191, 358225), (445, 153755), (575, 118993), (623, 109825), (805, 84995), (955, 71645), (1337, 51175), (2047, 33425), (2225, 30751), (3115, 21965), (4025, 16999), (4393, 15575), (4775, 14329), (6685, 10235)]