2213695900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^2$

素因数の和:468

約数の個数: 108

約数和(自身を含む): 5320279272

約数和(自身を除く): 3106583372

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 199, 215, 260, 325, 398, 430, 559, 650, 796, 860, 995, 1075, 1118, 1300, 1990, 2150, 2236, 2587, 2795, 3980, 4300, 4975, 5174, 5590, 8557, 9950, 10348, 11180, 12935, 13975, 17114, 19900, 25870, 27950, 34228, 39601, 42785, 51740, 55900, 64675, 79202, 85570, 111241, 129350, 158404, 171140, 198005, 213925, 222482, 258700, 396010, 427850, 444964, 514813, 556205, 792020, 855700, 990025, 1029626, 1112410, 1702843, 1980050, 2059252, 2224820, 2574065, 2781025, 3405686, 3960100, 5148130, 5562050, 6811372, 8514215, 10296260, 11124100, 12870325, 17028430, 22136959, 25740650, 34056860, 42571075, 44273918, 51481300, 85142150, 88547836, 110684795, 170284300, 221369590, 442739180, 553423975, 1106847950, 2213695900]

約数ペア:

[(1, 2213695900), (2, 1106847950), (4, 553423975), (5, 442739180), (10, 221369590), (13, 170284300), (20, 110684795), (25, 88547836), (26, 85142150), (43, 51481300), (50, 44273918), (52, 42571075), (65, 34056860), (86, 25740650), (100, 22136959), (130, 17028430), (172, 12870325), (199, 11124100), (215, 10296260), (260, 8514215), (325, 6811372), (398, 5562050), (430, 5148130), (559, 3960100), (650, 3405686), (796, 2781025), (860, 2574065), (995, 2224820), (1075, 2059252), (1118, 1980050), (1300, 1702843), (1990, 1112410), (2150, 1029626), (2236, 990025), (2587, 855700), (2795, 792020), (3980, 556205), (4300, 514813), (4975, 444964), (5174, 427850), (5590, 396010), (8557, 258700), (9950, 222482), (10348, 213925), (11180, 198005), (12935, 171140), (13975, 158404), (17114, 129350), (19900, 111241), (25870, 85570), (27950, 79202), (34228, 64675), (39601, 55900), (42785, 51740)]