20159157100

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{449}}^1\times {\mathrm{1747}}^1$

素因数の和:2467

約数の個数: 72

約数和(自身を含む): 44038587600

約数和(自身を除く): 23879430500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 449, 514, 898, 1028, 1285, 1747, 1796, 2245, 2570, 3494, 4490, 5140, 6425, 6988, 8735, 8980, 11225, 12850, 17470, 22450, 25700, 34940, 43675, 44900, 87350, 115393, 174700, 230786, 448979, 461572, 576965, 784403, 897958, 1153930, 1568806, 1795916, 2244895, 2307860, 2884825, 3137612, 3922015, 4489790, 5769650, 7844030, 8979580, 11224475, 11539300, 15688060, 19610075, 22448950, 39220150, 44897900, 78440300, 201591571, 403183142, 806366284, 1007957855, 2015915710, 4031831420, 5039789275, 10079578550, 20159157100]

約数ペア:

[(1, 20159157100), (2, 10079578550), (4, 5039789275), (5, 4031831420), (10, 2015915710), (20, 1007957855), (25, 806366284), (50, 403183142), (100, 201591571), (257, 78440300), (449, 44897900), (514, 39220150), (898, 22448950), (1028, 19610075), (1285, 15688060), (1747, 11539300), (1796, 11224475), (2245, 8979580), (2570, 7844030), (3494, 5769650), (4490, 4489790), (5140, 3922015), (6425, 3137612), (6988, 2884825), (8735, 2307860), (8980, 2244895), (11225, 1795916), (12850, 1568806), (17470, 1153930), (22450, 897958), (25700, 784403), (34940, 576965), (43675, 461572), (44900, 448979), (87350, 230786), (115393, 174700)]