27420400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 90

約数和(自身を含む): 76687800

約数和(自身を除く): 49267400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1399, 1400, 1960, 2450, 2798, 2800, 3920, 4900, 5596, 6995, 9793, 9800, 11192, 13990, 19586, 19600, 22384, 27980, 34975, 39172, 48965, 55960, 68551, 69950, 78344, 97930, 111920, 137102, 139900, 156688, 195860, 244825, 274204, 279800, 342755, 391720, 489650, 548408, 559600, 685510, 783440, 979300, 1096816, 1371020, 1713775, 1958600, 2742040, 3427550, 3917200, 5484080, 6855100, 13710200, 27420400]

約数ペア:

[(1, 27420400), (2, 13710200), (4, 6855100), (5, 5484080), (7, 3917200), (8, 3427550), (10, 2742040), (14, 1958600), (16, 1713775), (20, 1371020), (25, 1096816), (28, 979300), (35, 783440), (40, 685510), (49, 559600), (50, 548408), (56, 489650), (70, 391720), (80, 342755), (98, 279800), (100, 274204), (112, 244825), (140, 195860), (175, 156688), (196, 139900), (200, 137102), (245, 111920), (280, 97930), (350, 78344), (392, 69950), (400, 68551), (490, 55960), (560, 48965), (700, 39172), (784, 34975), (980, 27980), (1225, 22384), (1399, 19600), (1400, 19586), (1960, 13990), (2450, 11192), (2798, 9800), (2800, 9793), (3920, 6995), (4900, 5596)]