178570340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6301}}^1$

素因数の和:6432

約数の個数: 48

約数和(自身を含む): 407613360

約数和(自身を除く): 229043020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 6301, 7085, 12602, 14170, 25204, 28340, 31505, 63010, 81913, 126020, 163826, 327652, 409565, 686809, 819130, 1373618, 1638260, 2747236, 3434045, 6868090, 8928517, 13736180, 17857034, 35714068, 44642585, 89285170, 178570340]

約数ペア:

[(1, 178570340), (2, 89285170), (4, 44642585), (5, 35714068), (10, 17857034), (13, 13736180), (20, 8928517), (26, 6868090), (52, 3434045), (65, 2747236), (109, 1638260), (130, 1373618), (218, 819130), (260, 686809), (436, 409565), (545, 327652), (1090, 163826), (1417, 126020), (2180, 81913), (2834, 63010), (5668, 31505), (6301, 28340), (7085, 25204), (12602, 14170)]