1949565540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2499443}}^1$

素因数の和:2499468

約数の個数: 48

約数和(自身を含む): 5878692288

約数和(自身を除く): 3929126748

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, 2499443, 4998886, 7498329, 9997772, 12497215, 14996658, 24994430, 29993316, 32492759, 37491645, 49988860, 64985518, 74983290, 97478277, 129971036, 149966580, 162463795, 194956554, 324927590, 389913108, 487391385, 649855180, 974782770, 1949565540]

約数ペア:

[(1, 1949565540), (2, 974782770), (3, 649855180), (4, 487391385), (5, 389913108), (6, 324927590), (10, 194956554), (12, 162463795), (13, 149966580), (15, 129971036), (20, 97478277), (26, 74983290), (30, 64985518), (39, 49988860), (52, 37491645), (60, 32492759), (65, 29993316), (78, 24994430), (130, 14996658), (156, 12497215), (195, 9997772), (260, 7498329), (390, 4998886), (780, 2499443)]