488889375780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626781251}}^1$

素因数の和:626781276

約数の個数: 48

約数和(自身を含む): 1474189504704

約数和(自身を除く): 985300128924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 626781251, 1253562502, 1880343753, 2507125004, 3133906255, 3760687506, 6267812510, 7521375012, 8148156263, 9401718765, 12535625020, 16296312526, 18803437530, 24444468789, 32592625052, 37606875060, 40740781315, 48888937578, 81481562630, 97777875156, 122222343945, 162963125260, 244444687890, 488889375780]

約数ペア:

[(1, 488889375780), (2, 244444687890), (3, 162963125260), (4, 122222343945), (5, 97777875156), (6, 81481562630), (10, 48888937578), (12, 40740781315), (13, 37606875060), (15, 32592625052), (20, 24444468789), (26, 18803437530), (30, 16296312526), (39, 12535625020), (52, 9401718765), (60, 8148156263), (65, 7521375012), (78, 6267812510), (130, 3760687506), (156, 3133906255), (195, 2507125004), (260, 1880343753), (390, 1253562502), (780, 626781251)]