620476670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 1254299904

約数和(自身を除く): 633823234

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 233, 430, 466, 473, 563, 946, 1126, 1165, 2330, 2365, 2563, 2815, 4730, 5126, 5630, 6193, 10019, 12386, 12815, 20038, 24209, 25630, 30965, 48418, 50095, 61930, 100190, 110209, 121045, 131179, 220418, 242090, 262358, 266299, 532598, 551045, 655895, 1102090, 1311790, 1331495, 1442969, 2662990, 2885938, 5640697, 7214845, 11281394, 14429690, 28203485, 56406970, 62047667, 124095334, 310238335, 620476670]

約数ペア:

[(1, 620476670), (2, 310238335), (5, 124095334), (10, 62047667), (11, 56406970), (22, 28203485), (43, 14429690), (55, 11281394), (86, 7214845), (110, 5640697), (215, 2885938), (233, 2662990), (430, 1442969), (466, 1331495), (473, 1311790), (563, 1102090), (946, 655895), (1126, 551045), (1165, 532598), (2330, 266299), (2365, 262358), (2563, 242090), (2815, 220418), (4730, 131179), (5126, 121045), (5630, 110209), (6193, 100190), (10019, 61930), (12386, 50095), (12815, 48418), (20038, 30965), (24209, 25630)]