189948920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9293}}^1$

素因数の和:9384

約数の個数: 64

約数和(自身を含む): 495184320

約数和(自身を除く): 305235400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 9293, 10220, 18586, 20440, 37172, 46465, 65051, 74344, 92930, 130102, 185860, 260204, 325255, 371720, 520408, 650510, 678389, 1301020, 1356778, 2602040, 2713556, 3391945, 4748723, 5427112, 6783890, 9497446, 13567780, 18994892, 23743615, 27135560, 37989784, 47487230, 94974460, 189948920]

約数ペア:

[(1, 189948920), (2, 94974460), (4, 47487230), (5, 37989784), (7, 27135560), (8, 23743615), (10, 18994892), (14, 13567780), (20, 9497446), (28, 6783890), (35, 5427112), (40, 4748723), (56, 3391945), (70, 2713556), (73, 2602040), (140, 1356778), (146, 1301020), (280, 678389), (292, 650510), (365, 520408), (511, 371720), (584, 325255), (730, 260204), (1022, 185860), (1460, 130102), (2044, 92930), (2555, 74344), (2920, 65051), (4088, 46465), (5110, 37172), (9293, 20440), (10220, 18586)]