3141880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 8280000

約数和(自身を除く): 5138120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 229, 245, 280, 343, 392, 458, 490, 686, 916, 980, 1145, 1372, 1603, 1715, 1832, 1960, 2290, 2744, 3206, 3430, 4580, 6412, 6860, 8015, 9160, 11221, 12824, 13720, 16030, 22442, 32060, 44884, 56105, 64120, 78547, 89768, 112210, 157094, 224420, 314188, 392735, 448840, 628376, 785470, 1570940, 3141880]

約数ペア:

[(1, 3141880), (2, 1570940), (4, 785470), (5, 628376), (7, 448840), (8, 392735), (10, 314188), (14, 224420), (20, 157094), (28, 112210), (35, 89768), (40, 78547), (49, 64120), (56, 56105), (70, 44884), (98, 32060), (140, 22442), (196, 16030), (229, 13720), (245, 12824), (280, 11221), (343, 9160), (392, 8015), (458, 6860), (490, 6412), (686, 4580), (916, 3430), (980, 3206), (1145, 2744), (1372, 2290), (1603, 1960), (1715, 1832)]