38927980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 102340224

約数和(自身を除く): 63412244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 260, 292, 293, 364, 365, 455, 511, 586, 730, 910, 949, 1022, 1172, 1460, 1465, 1820, 1898, 2044, 2051, 2555, 2930, 3796, 3809, 4102, 4745, 5110, 5860, 6643, 7618, 8204, 9490, 10220, 10255, 13286, 15236, 18980, 19045, 20510, 21389, 26572, 26663, 33215, 38090, 41020, 42778, 53326, 66430, 76180, 85556, 106652, 106945, 132860, 133315, 149723, 213890, 266630, 278057, 299446, 427780, 533260, 556114, 598892, 748615, 1112228, 1390285, 1497230, 1946399, 2780570, 2994460, 3892798, 5561140, 7785596, 9731995, 19463990, 38927980]

約数ペア:

[(1, 38927980), (2, 19463990), (4, 9731995), (5, 7785596), (7, 5561140), (10, 3892798), (13, 2994460), (14, 2780570), (20, 1946399), (26, 1497230), (28, 1390285), (35, 1112228), (52, 748615), (65, 598892), (70, 556114), (73, 533260), (91, 427780), (130, 299446), (140, 278057), (146, 266630), (182, 213890), (260, 149723), (292, 133315), (293, 132860), (364, 106945), (365, 106652), (455, 85556), (511, 76180), (586, 66430), (730, 53326), (910, 42778), (949, 41020), (1022, 38090), (1172, 33215), (1460, 26663), (1465, 26572), (1820, 21389), (1898, 20510), (2044, 19045), (2051, 18980), (2555, 15236), (2930, 13286), (3796, 10255), (3809, 10220), (4102, 9490), (4745, 8204), (5110, 7618), (5860, 6643)]