216896560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 523091520

約数和(自身を除く): 306194960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 328, 356, 410, 445, 656, 712, 743, 820, 890, 1424, 1486, 1640, 1780, 2972, 3280, 3560, 3649, 3715, 5944, 7120, 7298, 7430, 11888, 14596, 14860, 18245, 29192, 29720, 30463, 36490, 58384, 59440, 60926, 66127, 72980, 121852, 132254, 145960, 152315, 243704, 264508, 291920, 304630, 330635, 487408, 529016, 609260, 661270, 1058032, 1218520, 1322540, 2437040, 2645080, 2711207, 5290160, 5422414, 10844828, 13556035, 21689656, 27112070, 43379312, 54224140, 108448280, 216896560]

約数ペア:

[(1, 216896560), (2, 108448280), (4, 54224140), (5, 43379312), (8, 27112070), (10, 21689656), (16, 13556035), (20, 10844828), (40, 5422414), (41, 5290160), (80, 2711207), (82, 2645080), (89, 2437040), (164, 1322540), (178, 1218520), (205, 1058032), (328, 661270), (356, 609260), (410, 529016), (445, 487408), (656, 330635), (712, 304630), (743, 291920), (820, 264508), (890, 243704), (1424, 152315), (1486, 145960), (1640, 132254), (1780, 121852), (2972, 72980), (3280, 66127), (3560, 60926), (3649, 59440), (3715, 58384), (5944, 36490), (7120, 30463), (7298, 29720), (7430, 29192), (11888, 18245), (14596, 14860)]