30649375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 42174000

約数和(自身を除く): 11524625

約数列:

[1, 5, 19, 25, 29, 89, 95, 125, 145, 445, 475, 551, 625, 725, 1691, 2225, 2375, 2581, 2755, 3625, 8455, 11125, 11875, 12905, 13775, 18125, 42275, 49039, 55625, 64525, 68875, 211375, 245195, 322625, 344375, 1056875, 1225975, 1613125, 6129875, 30649375]

約数ペア:

[(1, 30649375), (5, 6129875), (19, 1613125), (25, 1225975), (29, 1056875), (89, 344375), (95, 322625), (125, 245195), (145, 211375), (445, 68875), (475, 64525), (551, 55625), (625, 49039), (725, 42275), (1691, 18125), (2225, 13775), (2375, 12905), (2581, 11875), (2755, 11125), (3625, 8455)]