78536380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{797}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 178305120

約数和(自身を除く): 99768740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 797, 1516, 1594, 1895, 3188, 3790, 3985, 4927, 7580, 7970, 9854, 10361, 15940, 19708, 20722, 24635, 41444, 49270, 51805, 98540, 103610, 207220, 302063, 604126, 1208252, 1510315, 3020630, 3926819, 6041260, 7853638, 15707276, 19634095, 39268190, 78536380]

約数ペア:

[(1, 78536380), (2, 39268190), (4, 19634095), (5, 15707276), (10, 7853638), (13, 6041260), (20, 3926819), (26, 3020630), (52, 1510315), (65, 1208252), (130, 604126), (260, 302063), (379, 207220), (758, 103610), (797, 98540), (1516, 51805), (1594, 49270), (1895, 41444), (3188, 24635), (3790, 20722), (3985, 19708), (4927, 15940), (7580, 10361), (7970, 9854)]