77884420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4999}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 98515580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4999, 7790, 9998, 15580, 19996, 24995, 49990, 94981, 99980, 189962, 204959, 379924, 409918, 474905, 819836, 949810, 1024795, 1899620, 2049590, 3894221, 4099180, 7788442, 15576884, 19471105, 38942210, 77884420]

約数ペア:

[(1, 77884420), (2, 38942210), (4, 19471105), (5, 15576884), (10, 7788442), (19, 4099180), (20, 3894221), (38, 2049590), (41, 1899620), (76, 1024795), (82, 949810), (95, 819836), (164, 474905), (190, 409918), (205, 379924), (380, 204959), (410, 189962), (779, 99980), (820, 94981), (1558, 49990), (3116, 24995), (3895, 19996), (4999, 15580), (7790, 9998)]