157218460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 387195984

約数和(自身を除く): 229977524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 548, 685, 959, 980, 1171, 1370, 1918, 2342, 2740, 3836, 4684, 4795, 5855, 6713, 8197, 9590, 11710, 13426, 16394, 19180, 23420, 26852, 32788, 33565, 40985, 57379, 67130, 81970, 114758, 134260, 160427, 163940, 229516, 286895, 320854, 573790, 641708, 802135, 1122989, 1147580, 1604270, 2245978, 3208540, 4491956, 5614945, 7860923, 11229890, 15721846, 22459780, 31443692, 39304615, 78609230, 157218460]

約数ペア:

[(1, 157218460), (2, 78609230), (4, 39304615), (5, 31443692), (7, 22459780), (10, 15721846), (14, 11229890), (20, 7860923), (28, 5614945), (35, 4491956), (49, 3208540), (70, 2245978), (98, 1604270), (137, 1147580), (140, 1122989), (196, 802135), (245, 641708), (274, 573790), (490, 320854), (548, 286895), (685, 229516), (959, 163940), (980, 160427), (1171, 134260), (1370, 114758), (1918, 81970), (2342, 67130), (2740, 57379), (3836, 40985), (4684, 33565), (4795, 32788), (5855, 26852), (6713, 23420), (8197, 19180), (9590, 16394), (11710, 13426)]