2018333375

素因数分解:

$5^3\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 2664645984

約数和(自身を除く): 646312609

約数列:

[1, 5, 23, 25, 115, 125, 131, 233, 529, 575, 655, 1165, 2645, 2875, 3013, 3275, 5359, 5825, 13225, 15065, 16375, 26795, 29125, 30523, 66125, 69299, 75325, 123257, 133975, 152615, 346495, 376625, 616285, 669875, 702029, 763075, 1732475, 3081425, 3510145, 3815375, 8662375, 15407125, 16146667, 17550725, 80733335, 87753625, 403666675, 2018333375]

約数ペア:

[(1, 2018333375), (5, 403666675), (23, 87753625), (25, 80733335), (115, 17550725), (125, 16146667), (131, 15407125), (233, 8662375), (529, 3815375), (575, 3510145), (655, 3081425), (1165, 1732475), (2645, 763075), (2875, 702029), (3013, 669875), (3275, 616285), (5359, 376625), (5825, 346495), (13225, 152615), (15065, 133975), (16375, 123257), (26795, 75325), (29125, 69299), (30523, 66125)]