406992560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30103}}^1$

素因数の和:30142

約数の個数: 60

約数和(自身を含む): 1024679952

約数和(自身を除く): 617687392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 30103, 60206, 120412, 150515, 240824, 301030, 391339, 481648, 602060, 782678, 1204120, 1565356, 1956695, 2408240, 3130712, 3913390, 5087407, 6261424, 7826780, 10174814, 15653560, 20349628, 25437035, 31307120, 40699256, 50874070, 81398512, 101748140, 203496280, 406992560]

約数ペア:

[(1, 406992560), (2, 203496280), (4, 101748140), (5, 81398512), (8, 50874070), (10, 40699256), (13, 31307120), (16, 25437035), (20, 20349628), (26, 15653560), (40, 10174814), (52, 7826780), (65, 6261424), (80, 5087407), (104, 3913390), (130, 3130712), (169, 2408240), (208, 1956695), (260, 1565356), (338, 1204120), (520, 782678), (676, 602060), (845, 481648), (1040, 391339), (1352, 301030), (1690, 240824), (2704, 150515), (3380, 120412), (6760, 60206), (13520, 30103)]