2017331875

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 2778423120

約数和(自身を除く): 761091245

約数列:

[1, 5, 13, 25, 65, 71, 125, 169, 269, 325, 355, 625, 845, 923, 1345, 1625, 1775, 3497, 4225, 4615, 6725, 8125, 8875, 11999, 17485, 19099, 21125, 23075, 33625, 44375, 45461, 59995, 87425, 95495, 105625, 115375, 168125, 227305, 248287, 299975, 437125, 477475, 576875, 1136525, 1241435, 1499875, 2185625, 2387375, 3227731, 5682625, 6207175, 7499375, 11936875, 16138655, 28413125, 31035875, 80693275, 155179375, 403466375, 2017331875]

約数ペア:

[(1, 2017331875), (5, 403466375), (13, 155179375), (25, 80693275), (65, 31035875), (71, 28413125), (125, 16138655), (169, 11936875), (269, 7499375), (325, 6207175), (355, 5682625), (625, 3227731), (845, 2387375), (923, 2185625), (1345, 1499875), (1625, 1241435), (1775, 1136525), (3497, 576875), (4225, 477475), (4615, 437125), (6725, 299975), (8125, 248287), (8875, 227305), (11999, 168125), (17485, 115375), (19099, 105625), (21125, 95495), (23075, 87425), (33625, 59995), (44375, 45461)]