978030620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{541}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 2422089600

約数和(自身を除く): 1444058980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 349, 370, 518, 541, 698, 740, 1036, 1082, 1295, 1396, 1745, 2164, 2443, 2590, 2705, 3490, 3787, 4886, 5180, 5410, 6980, 7574, 9772, 10820, 12215, 12913, 15148, 18935, 20017, 24430, 25826, 37870, 40034, 48860, 51652, 64565, 75740, 80068, 90391, 100085, 129130, 140119, 180782, 188809, 200170, 258260, 280238, 361564, 377618, 400340, 451955, 560476, 700595, 755236, 903910, 944045, 1321663, 1401190, 1807820, 1888090, 2643326, 2802380, 3776180, 5286652, 6608315, 6985933, 13216630, 13971866, 26433260, 27943732, 34929665, 48901531, 69859330, 97803062, 139718660, 195606124, 244507655, 489015310, 978030620]

約数ペア:

[(1, 978030620), (2, 489015310), (4, 244507655), (5, 195606124), (7, 139718660), (10, 97803062), (14, 69859330), (20, 48901531), (28, 34929665), (35, 27943732), (37, 26433260), (70, 13971866), (74, 13216630), (140, 6985933), (148, 6608315), (185, 5286652), (259, 3776180), (349, 2802380), (370, 2643326), (518, 1888090), (541, 1807820), (698, 1401190), (740, 1321663), (1036, 944045), (1082, 903910), (1295, 755236), (1396, 700595), (1745, 560476), (2164, 451955), (2443, 400340), (2590, 377618), (2705, 361564), (3490, 280238), (3787, 258260), (4886, 200170), (5180, 188809), (5410, 180782), (6980, 140119), (7574, 129130), (9772, 100085), (10820, 90391), (12215, 80068), (12913, 75740), (15148, 64565), (18935, 51652), (20017, 48860), (24430, 40034), (25826, 37870)]