42818875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 62244000

約数和(自身を除く): 19425125

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 125, 149, 209, 275, 475, 605, 745, 1045, 1375, 1639, 2299, 2375, 2831, 3025, 3725, 5225, 8195, 11495, 14155, 15125, 18029, 18625, 26125, 31141, 40975, 57475, 70775, 90145, 155705, 204875, 287375, 342551, 353875, 450725, 778525, 1712755, 2253625, 3892625, 8563775, 42818875]

約数ペア:

[(1, 42818875), (5, 8563775), (11, 3892625), (19, 2253625), (25, 1712755), (55, 778525), (95, 450725), (121, 353875), (125, 342551), (149, 287375), (209, 204875), (275, 155705), (475, 90145), (605, 70775), (745, 57475), (1045, 40975), (1375, 31141), (1639, 26125), (2299, 18625), (2375, 18029), (2831, 15125), (3025, 14155), (3725, 11495), (5225, 8195)]