136889680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90059}}^1$

素因数の和:90091

約数の個数: 40

約数和(自身を含む): 335023200

約数和(自身を除く): 198133520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 90059, 180118, 360236, 450295, 720472, 900590, 1440944, 1711121, 1801180, 3422242, 3602360, 6844484, 7204720, 8555605, 13688968, 17111210, 27377936, 34222420, 68444840, 136889680]

約数ペア:

[(1, 136889680), (2, 68444840), (4, 34222420), (5, 27377936), (8, 17111210), (10, 13688968), (16, 8555605), (19, 7204720), (20, 6844484), (38, 3602360), (40, 3422242), (76, 1801180), (80, 1711121), (95, 1440944), (152, 900590), (190, 720472), (304, 450295), (380, 360236), (760, 180118), (1520, 90059)]