128866375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 192067200

約数和(自身を除く): 63200825

約数列:

[1, 5, 11, 17, 25, 37, 55, 85, 125, 149, 185, 187, 275, 407, 425, 629, 745, 925, 935, 1375, 1639, 2035, 2125, 2533, 3145, 3725, 4625, 4675, 5513, 6919, 8195, 10175, 12665, 15725, 18625, 23375, 27565, 27863, 34595, 40975, 50875, 60643, 63325, 78625, 93721, 137825, 139315, 172975, 204875, 303215, 316625, 468605, 689125, 696575, 864875, 1030931, 1516075, 2343025, 3482875, 5154655, 7580375, 11715125, 25773275, 128866375]

約数ペア:

[(1, 128866375), (5, 25773275), (11, 11715125), (17, 7580375), (25, 5154655), (37, 3482875), (55, 2343025), (85, 1516075), (125, 1030931), (149, 864875), (185, 696575), (187, 689125), (275, 468605), (407, 316625), (425, 303215), (629, 204875), (745, 172975), (925, 139315), (935, 137825), (1375, 93721), (1639, 78625), (2035, 63325), (2125, 60643), (2533, 50875), (3145, 40975), (3725, 34595), (4625, 27863), (4675, 27565), (5513, 23375), (6919, 18625), (8195, 15725), (10175, 12665)]