1356940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 3259872

約数和(自身を除く): 1902932

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 307, 340, 442, 614, 884, 1105, 1228, 1535, 2210, 3070, 3991, 4420, 5219, 6140, 7982, 10438, 15964, 19955, 20876, 26095, 39910, 52190, 67847, 79820, 104380, 135694, 271388, 339235, 678470, 1356940]

約数ペア:

[(1, 1356940), (2, 678470), (4, 339235), (5, 271388), (10, 135694), (13, 104380), (17, 79820), (20, 67847), (26, 52190), (34, 39910), (52, 26095), (65, 20876), (68, 19955), (85, 15964), (130, 10438), (170, 7982), (221, 6140), (260, 5219), (307, 4420), (340, 3991), (442, 3070), (614, 2210), (884, 1535), (1105, 1228)]