78026620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 192707424

約数和(自身を除く): 114680804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 773, 980, 1030, 1442, 1546, 2060, 2884, 3092, 3605, 3865, 5047, 5411, 7210, 7730, 10094, 10822, 14420, 15460, 20188, 21644, 25235, 27055, 37877, 50470, 54110, 75754, 79619, 100940, 108220, 151508, 159238, 189385, 318476, 378770, 398095, 557333, 757540, 796190, 1114666, 1592380, 2229332, 2786665, 3901331, 5573330, 7802662, 11146660, 15605324, 19506655, 39013310, 78026620]

約数ペア:

[(1, 78026620), (2, 39013310), (4, 19506655), (5, 15605324), (7, 11146660), (10, 7802662), (14, 5573330), (20, 3901331), (28, 2786665), (35, 2229332), (49, 1592380), (70, 1114666), (98, 796190), (103, 757540), (140, 557333), (196, 398095), (206, 378770), (245, 318476), (412, 189385), (490, 159238), (515, 151508), (721, 108220), (773, 100940), (980, 79619), (1030, 75754), (1442, 54110), (1546, 50470), (2060, 37877), (2884, 27055), (3092, 25235), (3605, 21644), (3865, 20188), (5047, 15460), (5411, 14420), (7210, 10822), (7730, 10094)]