1384740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{157}}^1$

素因数の和:186

約数の個数: 108

約数和(自身を含む): 4917276

約数和(自身を除く): 3532536

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 157, 180, 196, 210, 245, 252, 294, 314, 315, 420, 441, 471, 490, 588, 628, 630, 735, 785, 882, 942, 980, 1099, 1260, 1413, 1470, 1570, 1764, 1884, 2198, 2205, 2355, 2826, 2940, 3140, 3297, 4396, 4410, 4710, 5495, 5652, 6594, 7065, 7693, 8820, 9420, 9891, 10990, 13188, 14130, 15386, 16485, 19782, 21980, 23079, 28260, 30772, 32970, 38465, 39564, 46158, 49455, 65940, 69237, 76930, 92316, 98910, 115395, 138474, 153860, 197820, 230790, 276948, 346185, 461580, 692370, 1384740]

約数ペア:

[(1, 1384740), (2, 692370), (3, 461580), (4, 346185), (5, 276948), (6, 230790), (7, 197820), (9, 153860), (10, 138474), (12, 115395), (14, 98910), (15, 92316), (18, 76930), (20, 69237), (21, 65940), (28, 49455), (30, 46158), (35, 39564), (36, 38465), (42, 32970), (45, 30772), (49, 28260), (60, 23079), (63, 21980), (70, 19782), (84, 16485), (90, 15386), (98, 14130), (105, 13188), (126, 10990), (140, 9891), (147, 9420), (157, 8820), (180, 7693), (196, 7065), (210, 6594), (245, 5652), (252, 5495), (294, 4710), (314, 4410), (315, 4396), (420, 3297), (441, 3140), (471, 2940), (490, 2826), (588, 2355), (628, 2205), (630, 2198), (735, 1884), (785, 1764), (882, 1570), (942, 1470), (980, 1413), (1099, 1260)]