1399734940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{3833}}^1$

素因数の和:3923

約数の個数: 72

約数和(自身を含む): 3198016080

約数和(自身を除く): 1798281140

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 961, 1178, 1922, 2356, 2945, 3833, 3844, 4805, 5890, 7666, 9610, 11780, 15332, 18259, 19165, 19220, 36518, 38330, 72827, 73036, 76660, 91295, 118823, 145654, 182590, 237646, 291308, 364135, 365180, 475292, 594115, 728270, 1188230, 1456540, 2257637, 2376460, 3683513, 4515274, 7367026, 9030548, 11288185, 14734052, 18417565, 22576370, 36835130, 45152740, 69986747, 73670260, 139973494, 279946988, 349933735, 699867470, 1399734940]

約数ペア:

[(1, 1399734940), (2, 699867470), (4, 349933735), (5, 279946988), (10, 139973494), (19, 73670260), (20, 69986747), (31, 45152740), (38, 36835130), (62, 22576370), (76, 18417565), (95, 14734052), (124, 11288185), (155, 9030548), (190, 7367026), (310, 4515274), (380, 3683513), (589, 2376460), (620, 2257637), (961, 1456540), (1178, 1188230), (1922, 728270), (2356, 594115), (2945, 475292), (3833, 365180), (3844, 364135), (4805, 291308), (5890, 237646), (7666, 182590), (9610, 145654), (11780, 118823), (15332, 91295), (18259, 76660), (19165, 73036), (19220, 72827), (36518, 38330)]