619270900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4093}}^1$

素因数の和:4213

約数の個数: 72

約数和(自身を含む): 1439204760

約数和(自身を除く): 819933860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 445, 850, 890, 1513, 1700, 1780, 2225, 3026, 4093, 4450, 6052, 7565, 8186, 8900, 15130, 16372, 20465, 30260, 37825, 40930, 69581, 75650, 81860, 102325, 139162, 151300, 204650, 278324, 347905, 364277, 409300, 695810, 728554, 1391620, 1457108, 1739525, 1821385, 3479050, 3642770, 6192709, 6958100, 7285540, 9106925, 12385418, 18213850, 24770836, 30963545, 36427700, 61927090, 123854180, 154817725, 309635450, 619270900]

約数ペア:

[(1, 619270900), (2, 309635450), (4, 154817725), (5, 123854180), (10, 61927090), (17, 36427700), (20, 30963545), (25, 24770836), (34, 18213850), (50, 12385418), (68, 9106925), (85, 7285540), (89, 6958100), (100, 6192709), (170, 3642770), (178, 3479050), (340, 1821385), (356, 1739525), (425, 1457108), (445, 1391620), (850, 728554), (890, 695810), (1513, 409300), (1700, 364277), (1780, 347905), (2225, 278324), (3026, 204650), (4093, 151300), (4450, 139162), (6052, 102325), (7565, 81860), (8186, 75650), (8900, 69581), (15130, 40930), (16372, 37825), (20465, 30260)]