17649940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 47142144

約数和(自身を除く): 29492204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 73, 77, 110, 140, 146, 154, 157, 220, 292, 308, 314, 365, 385, 511, 628, 730, 770, 785, 803, 1022, 1099, 1460, 1540, 1570, 1606, 1727, 2044, 2198, 2555, 3140, 3212, 3454, 4015, 4396, 5110, 5495, 5621, 6908, 8030, 8635, 10220, 10990, 11242, 11461, 12089, 16060, 17270, 21980, 22484, 22922, 24178, 28105, 34540, 45844, 48356, 56210, 57305, 60445, 80227, 112420, 114610, 120890, 126071, 160454, 229220, 241780, 252142, 320908, 401135, 504284, 630355, 802270, 882497, 1260710, 1604540, 1764994, 2521420, 3529988, 4412485, 8824970, 17649940]

約数ペア:

[(1, 17649940), (2, 8824970), (4, 4412485), (5, 3529988), (7, 2521420), (10, 1764994), (11, 1604540), (14, 1260710), (20, 882497), (22, 802270), (28, 630355), (35, 504284), (44, 401135), (55, 320908), (70, 252142), (73, 241780), (77, 229220), (110, 160454), (140, 126071), (146, 120890), (154, 114610), (157, 112420), (220, 80227), (292, 60445), (308, 57305), (314, 56210), (365, 48356), (385, 45844), (511, 34540), (628, 28105), (730, 24178), (770, 22922), (785, 22484), (803, 21980), (1022, 17270), (1099, 16060), (1460, 12089), (1540, 11461), (1570, 11242), (1606, 10990), (1727, 10220), (2044, 8635), (2198, 8030), (2555, 6908), (3140, 5621), (3212, 5495), (3454, 5110), (4015, 4396)]