30807800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4969}}^1$

素因数の和:5016

約数の個数: 48

約数和(自身を含む): 73953600

約数和(自身を除く): 43145800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 4969, 6200, 9938, 19876, 24845, 39752, 49690, 99380, 124225, 154039, 198760, 248450, 308078, 496900, 616156, 770195, 993800, 1232312, 1540390, 3080780, 3850975, 6161560, 7701950, 15403900, 30807800]

約数ペア:

[(1, 30807800), (2, 15403900), (4, 7701950), (5, 6161560), (8, 3850975), (10, 3080780), (20, 1540390), (25, 1232312), (31, 993800), (40, 770195), (50, 616156), (62, 496900), (100, 308078), (124, 248450), (155, 198760), (200, 154039), (248, 124225), (310, 99380), (620, 49690), (775, 39752), (1240, 24845), (1550, 19876), (3100, 9938), (4969, 6200)]