30988375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 43610112

約数和(自身を除く): 12621737

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 727, 775, 1375, 1705, 3635, 3875, 7997, 8525, 18175, 22537, 39985, 42625, 90875, 112685, 199925, 247907, 563425, 999625, 1239535, 2817125, 6197675, 30988375]

約数ペア:

[(1, 30988375), (5, 6197675), (11, 2817125), (25, 1239535), (31, 999625), (55, 563425), (125, 247907), (155, 199925), (275, 112685), (341, 90875), (727, 42625), (775, 39985), (1375, 22537), (1705, 18175), (3635, 8525), (3875, 7997)]