199547460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{158371}}^1$

素因数の和:158393

約数の個数: 72

約数和(自身を含む): 691768896

約数和(自身を除く): 492221436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 158371, 316742, 475113, 633484, 791855, 950226, 1108597, 1425339, 1583710, 1900452, 2217194, 2375565, 2850678, 3167420, 3325791, 4434388, 4751130, 5542985, 5701356, 6651582, 7126695, 9502260, 9977373, 11085970, 13303164, 14253390, 16628955, 19954746, 22171940, 28506780, 33257910, 39909492, 49886865, 66515820, 99773730, 199547460]

約数ペア:

[(1, 199547460), (2, 99773730), (3, 66515820), (4, 49886865), (5, 39909492), (6, 33257910), (7, 28506780), (9, 22171940), (10, 19954746), (12, 16628955), (14, 14253390), (15, 13303164), (18, 11085970), (20, 9977373), (21, 9502260), (28, 7126695), (30, 6651582), (35, 5701356), (36, 5542985), (42, 4751130), (45, 4434388), (60, 3325791), (63, 3167420), (70, 2850678), (84, 2375565), (90, 2217194), (105, 1900452), (126, 1583710), (140, 1425339), (180, 1108597), (210, 950226), (252, 791855), (315, 633484), (420, 475113), (630, 316742), (1260, 158371)]