220616252500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{1800949}}^1$

素因数の和:1800987

約数の個数: 90

約数和(自身を含む): 561210238050

約数和(自身を除く): 340593985550

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1225, 1250, 1750, 2450, 2500, 3500, 4375, 4900, 6125, 8750, 12250, 17500, 24500, 30625, 61250, 122500, 1800949, 3601898, 7203796, 9004745, 12606643, 18009490, 25213286, 36018980, 45023725, 50426572, 63033215, 88246501, 90047450, 126066430, 176493002, 180094900, 225118625, 252132860, 315166075, 352986004, 441232505, 450237250, 630332150, 882465010, 900474500, 1125593125, 1260664300, 1575830375, 1764930020, 2206162525, 2251186250, 3151660750, 4412325050, 4502372500, 6303321500, 7879151875, 8824650100, 11030812625, 15758303750, 22061625250, 31516607500, 44123250500, 55154063125, 110308126250, 220616252500]

約数ペア:

[(1, 220616252500), (2, 110308126250), (4, 55154063125), (5, 44123250500), (7, 31516607500), (10, 22061625250), (14, 15758303750), (20, 11030812625), (25, 8824650100), (28, 7879151875), (35, 6303321500), (49, 4502372500), (50, 4412325050), (70, 3151660750), (98, 2251186250), (100, 2206162525), (125, 1764930020), (140, 1575830375), (175, 1260664300), (196, 1125593125), (245, 900474500), (250, 882465010), (350, 630332150), (490, 450237250), (500, 441232505), (625, 352986004), (700, 315166075), (875, 252132860), (980, 225118625), (1225, 180094900), (1250, 176493002), (1750, 126066430), (2450, 90047450), (2500, 88246501), (3500, 63033215), (4375, 50426572), (4900, 45023725), (6125, 36018980), (8750, 25213286), (12250, 18009490), (17500, 12606643), (24500, 9004745), (30625, 7203796), (61250, 3601898), (122500, 1800949)]