138519491380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1\times {\mathrm{195743}}^1$

素因数の和:196656

約数の個数: 48

約数和(自身を含む): 298332647424

約数和(自身を除く): 159813156044

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 863, 1726, 3452, 4315, 8630, 17260, 35383, 70766, 141532, 176915, 195743, 353830, 391486, 707660, 782972, 978715, 1957430, 3914860, 8025463, 16050926, 32101852, 40127315, 80254630, 160509260, 168926209, 337852418, 675704836, 844631045, 1689262090, 3378524180, 6925974569, 13851949138, 27703898276, 34629872845, 69259745690, 138519491380]

約数ペア:

[(1, 138519491380), (2, 69259745690), (4, 34629872845), (5, 27703898276), (10, 13851949138), (20, 6925974569), (41, 3378524180), (82, 1689262090), (164, 844631045), (205, 675704836), (410, 337852418), (820, 168926209), (863, 160509260), (1726, 80254630), (3452, 40127315), (4315, 32101852), (8630, 16050926), (17260, 8025463), (35383, 3914860), (70766, 1957430), (141532, 978715), (176915, 782972), (195743, 707660), (353830, 391486)]