446420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 1079568

約数和(自身を除く): 633148

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 101, 130, 170, 202, 221, 260, 340, 404, 442, 505, 884, 1010, 1105, 1313, 1717, 2020, 2210, 2626, 3434, 4420, 5252, 6565, 6868, 8585, 13130, 17170, 22321, 26260, 34340, 44642, 89284, 111605, 223210, 446420]

約数ペア:

[(1, 446420), (2, 223210), (4, 111605), (5, 89284), (10, 44642), (13, 34340), (17, 26260), (20, 22321), (26, 17170), (34, 13130), (52, 8585), (65, 6868), (68, 6565), (85, 5252), (101, 4420), (130, 3434), (170, 2626), (202, 2210), (221, 2020), (260, 1717), (340, 1313), (404, 1105), (442, 1010), (505, 884)]