919023760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{310481}}^1$

素因数の和:310531

約数の個数: 40

約数和(自身を含む): 2194486776

約数和(自身を除く): 1275463016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 310481, 620962, 1241924, 1552405, 2483848, 3104810, 4967696, 6209620, 11487797, 12419240, 22975594, 24838480, 45951188, 57438985, 91902376, 114877970, 183804752, 229755940, 459511880, 919023760]

約数ペア:

[(1, 919023760), (2, 459511880), (4, 229755940), (5, 183804752), (8, 114877970), (10, 91902376), (16, 57438985), (20, 45951188), (37, 24838480), (40, 22975594), (74, 12419240), (80, 11487797), (148, 6209620), (185, 4967696), (296, 3104810), (370, 2483848), (592, 1552405), (740, 1241924), (1480, 620962), (2960, 310481)]