1285754875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{211}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 1709491680

約数和(自身を除く): 423736805

約数列:

[1, 5, 25, 29, 41, 125, 145, 205, 211, 725, 1025, 1055, 1189, 1681, 3625, 5125, 5275, 5945, 6119, 8405, 8651, 26375, 29725, 30595, 42025, 43255, 48749, 148625, 152975, 210125, 216275, 243745, 250879, 354691, 764875, 1081375, 1218725, 1254395, 1773455, 6093625, 6271975, 8867275, 10286039, 31359875, 44336375, 51430195, 257150975, 1285754875]

約数ペア:

[(1, 1285754875), (5, 257150975), (25, 51430195), (29, 44336375), (41, 31359875), (125, 10286039), (145, 8867275), (205, 6271975), (211, 6093625), (725, 1773455), (1025, 1254395), (1055, 1218725), (1189, 1081375), (1681, 764875), (3625, 354691), (5125, 250879), (5275, 243745), (5945, 216275), (6119, 210125), (8405, 152975), (8651, 148625), (26375, 48749), (29725, 43255), (30595, 42025)]