619976260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{1013}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 1324657152

約数和(自身を除く): 704680892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 431, 710, 862, 1013, 1420, 1724, 2026, 2155, 4052, 4310, 5065, 8620, 10130, 20260, 30601, 61202, 71923, 122404, 143846, 153005, 287692, 306010, 359615, 436603, 612020, 719230, 873206, 1438460, 1746412, 2183015, 4366030, 8732060, 30998813, 61997626, 123995252, 154994065, 309988130, 619976260]

約数ペア:

[(1, 619976260), (2, 309988130), (4, 154994065), (5, 123995252), (10, 61997626), (20, 30998813), (71, 8732060), (142, 4366030), (284, 2183015), (355, 1746412), (431, 1438460), (710, 873206), (862, 719230), (1013, 612020), (1420, 436603), (1724, 359615), (2026, 306010), (2155, 287692), (4052, 153005), (4310, 143846), (5065, 122404), (8620, 71923), (10130, 61202), (20260, 30601)]