385792420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{13613}}^1$

素因数の和:13744

約数の個数: 48

約数和(自身を含む): 880553520

約数和(自身を除く): 494761100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 13613, 14170, 27226, 28340, 54452, 68065, 136130, 176969, 272260, 353938, 707876, 884845, 1483817, 1769690, 2967634, 3539380, 5935268, 7419085, 14838170, 19289621, 29676340, 38579242, 77158484, 96448105, 192896210, 385792420]

約数ペア:

[(1, 385792420), (2, 192896210), (4, 96448105), (5, 77158484), (10, 38579242), (13, 29676340), (20, 19289621), (26, 14838170), (52, 7419085), (65, 5935268), (109, 3539380), (130, 2967634), (218, 1769690), (260, 1483817), (436, 884845), (545, 707876), (1090, 353938), (1417, 272260), (2180, 176969), (2834, 136130), (5668, 68065), (7085, 54452), (13613, 28340), (14170, 27226)]