1291554740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1013}}^1\times {\mathrm{1301}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 3160625832

約数和(自身を除く): 1869071092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1013, 1301, 2026, 2602, 4052, 5065, 5204, 6505, 7091, 9107, 10130, 13010, 14182, 18214, 20260, 26020, 28364, 35455, 36428, 45535, 49637, 63749, 70910, 91070, 99274, 127498, 141820, 182140, 198548, 248185, 254996, 318745, 496370, 637490, 992740, 1274980, 1317913, 2635826, 5271652, 6589565, 9225391, 13179130, 18450782, 26358260, 36901564, 46126955, 64577737, 92253910, 129155474, 184507820, 258310948, 322888685, 645777370, 1291554740]

約数ペア:

[(1, 1291554740), (2, 645777370), (4, 322888685), (5, 258310948), (7, 184507820), (10, 129155474), (14, 92253910), (20, 64577737), (28, 46126955), (35, 36901564), (49, 26358260), (70, 18450782), (98, 13179130), (140, 9225391), (196, 6589565), (245, 5271652), (490, 2635826), (980, 1317913), (1013, 1274980), (1301, 992740), (2026, 637490), (2602, 496370), (4052, 318745), (5065, 254996), (5204, 248185), (6505, 198548), (7091, 182140), (9107, 141820), (10130, 127498), (13010, 99274), (14182, 91070), (18214, 70910), (20260, 63749), (26020, 49637), (28364, 45535), (35455, 36428)]