680073940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53381}}^1$

素因数の和:53417

約数の個数: 72

約数和(自身を含む): 1789151112

約数和(自身を除く): 1109077172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 53381, 106762, 213524, 266905, 373667, 533810, 693953, 747334, 1067620, 1387906, 1494668, 1868335, 2615669, 2775812, 3469765, 3736670, 4857671, 5231338, 6939530, 7473340, 9715342, 10462676, 13078345, 13879060, 19430684, 24288355, 26156690, 34003697, 48576710, 52313380, 68007394, 97153420, 136014788, 170018485, 340036970, 680073940]

約数ペア:

[(1, 680073940), (2, 340036970), (4, 170018485), (5, 136014788), (7, 97153420), (10, 68007394), (13, 52313380), (14, 48576710), (20, 34003697), (26, 26156690), (28, 24288355), (35, 19430684), (49, 13879060), (52, 13078345), (65, 10462676), (70, 9715342), (91, 7473340), (98, 6939530), (130, 5231338), (140, 4857671), (182, 3736670), (196, 3469765), (245, 2775812), (260, 2615669), (364, 1868335), (455, 1494668), (490, 1387906), (637, 1067620), (910, 747334), (980, 693953), (1274, 533810), (1820, 373667), (2548, 266905), (3185, 213524), (6370, 106762), (12740, 53381)]