201979180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7127}}^1$

素因数の和:7258

約数の個数: 48

約数和(自身を含む): 461039040

約数和(自身を除く): 259059860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 7127, 14170, 14254, 28340, 28508, 35635, 71270, 92651, 142540, 185302, 370604, 463255, 776843, 926510, 1553686, 1853020, 3107372, 3884215, 7768430, 10098959, 15536860, 20197918, 40395836, 50494795, 100989590, 201979180]

約数ペア:

[(1, 201979180), (2, 100989590), (4, 50494795), (5, 40395836), (10, 20197918), (13, 15536860), (20, 10098959), (26, 7768430), (52, 3884215), (65, 3107372), (109, 1853020), (130, 1553686), (218, 926510), (260, 776843), (436, 463255), (545, 370604), (1090, 185302), (1417, 142540), (2180, 92651), (2834, 71270), (5668, 35635), (7085, 28508), (7127, 28340), (14170, 14254)]