408961690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 801511200

約数和(自身を除く): 392549510

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 113, 122, 170, 226, 305, 349, 565, 610, 698, 1037, 1130, 1745, 1921, 2074, 3490, 3842, 5185, 5933, 6893, 9605, 10370, 11866, 13786, 19210, 21289, 29665, 34465, 39437, 42578, 59330, 68930, 78874, 106445, 117181, 197185, 212890, 234362, 361913, 394370, 585905, 670429, 723826, 1171810, 1340858, 1809565, 2405657, 3352145, 3619130, 4811314, 6704290, 12028285, 24056570, 40896169, 81792338, 204480845, 408961690]

約数ペア:

[(1, 408961690), (2, 204480845), (5, 81792338), (10, 40896169), (17, 24056570), (34, 12028285), (61, 6704290), (85, 4811314), (113, 3619130), (122, 3352145), (170, 2405657), (226, 1809565), (305, 1340858), (349, 1171810), (565, 723826), (610, 670429), (698, 585905), (1037, 394370), (1130, 361913), (1745, 234362), (1921, 212890), (2074, 197185), (3490, 117181), (3842, 106445), (5185, 78874), (5933, 68930), (6893, 59330), (9605, 42578), (10370, 39437), (11866, 34465), (13786, 29665), (19210, 21289)]