407229696040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{781271}}^1$

素因数の和:781522

約数の個数: 64

約数和(自身を含む): 933213778560

約数和(自身を除く): 525984082520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 157, 166, 314, 332, 415, 628, 664, 785, 830, 1256, 1570, 1660, 3140, 3320, 6280, 13031, 26062, 52124, 65155, 104248, 130310, 260620, 521240, 781271, 1562542, 3125084, 3906355, 6250168, 7812710, 15625420, 31250840, 64845493, 122659547, 129690986, 245319094, 259381972, 324227465, 490638188, 518763944, 613297735, 648454930, 981276376, 1226595470, 1296909860, 2453190940, 2593819720, 4906381880, 10180742401, 20361484802, 40722969604, 50903712005, 81445939208, 101807424010, 203614848020, 407229696040]

約数ペア:

[(1, 407229696040), (2, 203614848020), (4, 101807424010), (5, 81445939208), (8, 50903712005), (10, 40722969604), (20, 20361484802), (40, 10180742401), (83, 4906381880), (157, 2593819720), (166, 2453190940), (314, 1296909860), (332, 1226595470), (415, 981276376), (628, 648454930), (664, 613297735), (785, 518763944), (830, 490638188), (1256, 324227465), (1570, 259381972), (1660, 245319094), (3140, 129690986), (3320, 122659547), (6280, 64845493), (13031, 31250840), (26062, 15625420), (52124, 7812710), (65155, 6250168), (104248, 3906355), (130310, 3125084), (260620, 1562542), (521240, 781271)]