151428620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 372314880

約数和(自身を除く): 220886260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 490, 764, 809, 955, 980, 1337, 1618, 1910, 2674, 3236, 3820, 4045, 5348, 5663, 6685, 8090, 9359, 11326, 13370, 16180, 18718, 22652, 26740, 28315, 37436, 39641, 46795, 56630, 79282, 93590, 113260, 154519, 158564, 187180, 198205, 309038, 396410, 618076, 772595, 792820, 1081633, 1545190, 2163266, 3090380, 4326532, 5408165, 7571431, 10816330, 15142862, 21632660, 30285724, 37857155, 75714310, 151428620]

約数ペア:

[(1, 151428620), (2, 75714310), (4, 37857155), (5, 30285724), (7, 21632660), (10, 15142862), (14, 10816330), (20, 7571431), (28, 5408165), (35, 4326532), (49, 3090380), (70, 2163266), (98, 1545190), (140, 1081633), (191, 792820), (196, 772595), (245, 618076), (382, 396410), (490, 309038), (764, 198205), (809, 187180), (955, 158564), (980, 154519), (1337, 113260), (1618, 93590), (1910, 79282), (2674, 56630), (3236, 46795), (3820, 39641), (4045, 37436), (5348, 28315), (5663, 26740), (6685, 22652), (8090, 18718), (9359, 16180), (11326, 13370)]