220531220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{121171}}^1$

素因数の和:121200

約数の個数: 48

約数和(自身を含む): 569993088

約数和(自身を除く): 349461868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 121171, 242342, 484684, 605855, 848197, 1211710, 1575223, 1696394, 2423420, 3150446, 3392788, 4240985, 6300892, 7876115, 8481970, 11026561, 15752230, 16963940, 22053122, 31504460, 44106244, 55132805, 110265610, 220531220]

約数ペア:

[(1, 220531220), (2, 110265610), (4, 55132805), (5, 44106244), (7, 31504460), (10, 22053122), (13, 16963940), (14, 15752230), (20, 11026561), (26, 8481970), (28, 7876115), (35, 6300892), (52, 4240985), (65, 3392788), (70, 3150446), (91, 2423420), (130, 1696394), (140, 1575223), (182, 1211710), (260, 848197), (364, 605855), (455, 484684), (910, 242342), (1820, 121171)]