219047440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 530323200

約数和(自身を除く): 311275760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 263, 290, 359, 464, 526, 580, 718, 1052, 1160, 1315, 1436, 1795, 2104, 2320, 2630, 2872, 3590, 4208, 5260, 5744, 7180, 7627, 10411, 10520, 14360, 15254, 20822, 21040, 28720, 30508, 38135, 41644, 52055, 61016, 76270, 83288, 94417, 104110, 122032, 152540, 166576, 188834, 208220, 305080, 377668, 416440, 472085, 610160, 755336, 832880, 944170, 1510672, 1888340, 2738093, 3776680, 5476186, 7553360, 10952372, 13690465, 21904744, 27380930, 43809488, 54761860, 109523720, 219047440]

約数ペア:

[(1, 219047440), (2, 109523720), (4, 54761860), (5, 43809488), (8, 27380930), (10, 21904744), (16, 13690465), (20, 10952372), (29, 7553360), (40, 5476186), (58, 3776680), (80, 2738093), (116, 1888340), (145, 1510672), (232, 944170), (263, 832880), (290, 755336), (359, 610160), (464, 472085), (526, 416440), (580, 377668), (718, 305080), (1052, 208220), (1160, 188834), (1315, 166576), (1436, 152540), (1795, 122032), (2104, 104110), (2320, 94417), (2630, 83288), (2872, 76270), (3590, 61016), (4208, 52055), (5260, 41644), (5744, 38135), (7180, 30508), (7627, 28720), (10411, 21040), (10520, 20822), (14360, 15254)]