19970291100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{367777}}^1$

素因数の和:367975

約数の個数: 72

約数和(自身を含む): 58100097328

約数和(自身を除く): 38129806228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 181, 300, 362, 543, 724, 905, 1086, 1810, 2172, 2715, 3620, 4525, 5430, 9050, 10860, 13575, 18100, 27150, 54300, 367777, 735554, 1103331, 1471108, 1838885, 2206662, 3677770, 4413324, 5516655, 7355540, 9194425, 11033310, 18388850, 22066620, 27583275, 36777700, 55166550, 66567637, 110333100, 133135274, 199702911, 266270548, 332838185, 399405822, 665676370, 798811644, 998514555, 1331352740, 1664190925, 1997029110, 3328381850, 3994058220, 4992572775, 6656763700, 9985145550, 19970291100]

約数ペア:

[(1, 19970291100), (2, 9985145550), (3, 6656763700), (4, 4992572775), (5, 3994058220), (6, 3328381850), (10, 1997029110), (12, 1664190925), (15, 1331352740), (20, 998514555), (25, 798811644), (30, 665676370), (50, 399405822), (60, 332838185), (75, 266270548), (100, 199702911), (150, 133135274), (181, 110333100), (300, 66567637), (362, 55166550), (543, 36777700), (724, 27583275), (905, 22066620), (1086, 18388850), (1810, 11033310), (2172, 9194425), (2715, 7355540), (3620, 5516655), (4525, 4413324), (5430, 3677770), (9050, 2206662), (10860, 1838885), (13575, 1471108), (18100, 1103331), (27150, 735554), (54300, 367777)]