28117340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 63225120

約数和(自身を除く): 35107780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1213, 1220, 2318, 2426, 4636, 4852, 5795, 6065, 11590, 12130, 23047, 23180, 24260, 46094, 73993, 92188, 115235, 147986, 230470, 295972, 369965, 460940, 739930, 1405867, 1479860, 2811734, 5623468, 7029335, 14058670, 28117340]

約数ペア:

[(1, 28117340), (2, 14058670), (4, 7029335), (5, 5623468), (10, 2811734), (19, 1479860), (20, 1405867), (38, 739930), (61, 460940), (76, 369965), (95, 295972), (122, 230470), (190, 147986), (244, 115235), (305, 92188), (380, 73993), (610, 46094), (1159, 24260), (1213, 23180), (1220, 23047), (2318, 12130), (2426, 11590), (4636, 6065), (4852, 5795)]