250299540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 805896000

約数和(自身を除く): 555596460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 163, 171, 180, 190, 228, 285, 326, 342, 380, 449, 489, 570, 652, 684, 815, 855, 898, 978, 1140, 1347, 1467, 1630, 1710, 1796, 1956, 2245, 2445, 2694, 2934, 3097, 3260, 3420, 4041, 4490, 4890, 5388, 5868, 6194, 6735, 7335, 8082, 8531, 8980, 9291, 9780, 12388, 13470, 14670, 15485, 16164, 17062, 18582, 20205, 25593, 26940, 27873, 29340, 30970, 34124, 37164, 40410, 42655, 46455, 51186, 55746, 61940, 73187, 76779, 80820, 85310, 92910, 102372, 111492, 127965, 139365, 146374, 153558, 170620, 185820, 219561, 255930, 278730, 292748, 307116, 365935, 383895, 439122, 511860, 557460, 658683, 731870, 767790, 878244, 1097805, 1317366, 1390553, 1463740, 1535580, 2195610, 2634732, 2781106, 3293415, 4171659, 4391220, 5562212, 6586830, 6952765, 8343318, 12514977, 13173660, 13905530, 16686636, 20858295, 25029954, 27811060, 41716590, 50059908, 62574885, 83433180, 125149770, 250299540]

約数ペア:

[(1, 250299540), (2, 125149770), (3, 83433180), (4, 62574885), (5, 50059908), (6, 41716590), (9, 27811060), (10, 25029954), (12, 20858295), (15, 16686636), (18, 13905530), (19, 13173660), (20, 12514977), (30, 8343318), (36, 6952765), (38, 6586830), (45, 5562212), (57, 4391220), (60, 4171659), (76, 3293415), (90, 2781106), (95, 2634732), (114, 2195610), (163, 1535580), (171, 1463740), (180, 1390553), (190, 1317366), (228, 1097805), (285, 878244), (326, 767790), (342, 731870), (380, 658683), (449, 557460), (489, 511860), (570, 439122), (652, 383895), (684, 365935), (815, 307116), (855, 292748), (898, 278730), (978, 255930), (1140, 219561), (1347, 185820), (1467, 170620), (1630, 153558), (1710, 146374), (1796, 139365), (1956, 127965), (2245, 111492), (2445, 102372), (2694, 92910), (2934, 85310), (3097, 80820), (3260, 76779), (3420, 73187), (4041, 61940), (4490, 55746), (4890, 51186), (5388, 46455), (5868, 42655), (6194, 40410), (6735, 37164), (7335, 34124), (8082, 30970), (8531, 29340), (8980, 27873), (9291, 26940), (9780, 25593), (12388, 20205), (13470, 18582), (14670, 17062), (15485, 16164)]