720590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 1463616

約数和(自身を除く): 743026

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 241, 299, 482, 598, 1205, 1495, 2410, 2990, 3133, 5543, 6266, 11086, 15665, 27715, 31330, 55430, 72059, 144118, 360295, 720590]

約数ペア:

[(1, 720590), (2, 360295), (5, 144118), (10, 72059), (13, 55430), (23, 31330), (26, 27715), (46, 15665), (65, 11086), (115, 6266), (130, 5543), (230, 3133), (241, 2990), (299, 2410), (482, 1495), (598, 1205)]