420192920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1093}}^1\times {\mathrm{1373}}^1$

素因数の和:2484

約数の個数: 64

約数和(自身を含む): 1082272320

約数和(自身を除く): 662079400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1093, 1373, 2186, 2746, 4372, 5465, 5492, 6865, 7651, 8744, 9611, 10930, 10984, 13730, 15302, 19222, 21860, 27460, 30604, 38255, 38444, 43720, 48055, 54920, 61208, 76510, 76888, 96110, 153020, 192220, 306040, 384440, 1500689, 3001378, 6002756, 7503445, 10504823, 12005512, 15006890, 21009646, 30013780, 42019292, 52524115, 60027560, 84038584, 105048230, 210096460, 420192920]

約数ペア:

[(1, 420192920), (2, 210096460), (4, 105048230), (5, 84038584), (7, 60027560), (8, 52524115), (10, 42019292), (14, 30013780), (20, 21009646), (28, 15006890), (35, 12005512), (40, 10504823), (56, 7503445), (70, 6002756), (140, 3001378), (280, 1500689), (1093, 384440), (1373, 306040), (2186, 192220), (2746, 153020), (4372, 96110), (5465, 76888), (5492, 76510), (6865, 61208), (7651, 54920), (8744, 48055), (9611, 43720), (10930, 38444), (10984, 38255), (13730, 30604), (15302, 27460), (19222, 21860)]