82426820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 202771800

約数和(自身を除く): 120344980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 349, 482, 490, 698, 964, 980, 1205, 1396, 1687, 1745, 2410, 2443, 3374, 3490, 4820, 4886, 6748, 6980, 8435, 9772, 11809, 12215, 16870, 17101, 23618, 24430, 33740, 34202, 47236, 48860, 59045, 68404, 84109, 85505, 118090, 168218, 171010, 236180, 336436, 342020, 420545, 588763, 841090, 1177526, 1682180, 2355052, 2943815, 4121341, 5887630, 8242682, 11775260, 16485364, 20606705, 41213410, 82426820]

約数ペア:

[(1, 82426820), (2, 41213410), (4, 20606705), (5, 16485364), (7, 11775260), (10, 8242682), (14, 5887630), (20, 4121341), (28, 2943815), (35, 2355052), (49, 1682180), (70, 1177526), (98, 841090), (140, 588763), (196, 420545), (241, 342020), (245, 336436), (349, 236180), (482, 171010), (490, 168218), (698, 118090), (964, 85505), (980, 84109), (1205, 68404), (1396, 59045), (1687, 48860), (1745, 47236), (2410, 34202), (2443, 33740), (3374, 24430), (3490, 23618), (4820, 17101), (4886, 16870), (6748, 12215), (6980, 11809), (8435, 9772)]