2988891425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3083}}^1$

素因数の和:3282

約数の個数: 48

約数和(自身を含む): 4229520960

約数和(自身を除く): 1240629535

約数列:

[1, 5, 13, 19, 25, 65, 95, 157, 247, 325, 475, 785, 1235, 2041, 2983, 3083, 3925, 6175, 10205, 14915, 15415, 38779, 40079, 51025, 58577, 74575, 77075, 193895, 200395, 292885, 484031, 761501, 969475, 1001975, 1464425, 2420155, 3807505, 6292403, 9196589, 12100775, 19037525, 31462015, 45982945, 119555657, 157310075, 229914725, 597778285, 2988891425]

約数ペア:

[(1, 2988891425), (5, 597778285), (13, 229914725), (19, 157310075), (25, 119555657), (65, 45982945), (95, 31462015), (157, 19037525), (247, 12100775), (325, 9196589), (475, 6292403), (785, 3807505), (1235, 2420155), (2041, 1464425), (2983, 1001975), (3083, 969475), (3925, 761501), (6175, 484031), (10205, 292885), (14915, 200395), (15415, 193895), (38779, 77075), (40079, 74575), (51025, 58577)]