157465420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3919}}^1$

素因数の和:3983

約数の個数: 72

約数和(自身を含む): 394148160

約数和(自身を除く): 236682740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 3919, 4018, 5740, 7838, 8036, 10045, 15676, 19595, 20090, 27433, 39190, 40180, 54866, 78380, 109732, 137165, 160679, 192031, 274330, 321358, 384062, 548660, 642716, 768124, 803395, 960155, 1124753, 1606790, 1920310, 2249506, 3213580, 3840620, 4499012, 5623765, 7873271, 11247530, 15746542, 22495060, 31493084, 39366355, 78732710, 157465420]

約数ペア:

[(1, 157465420), (2, 78732710), (4, 39366355), (5, 31493084), (7, 22495060), (10, 15746542), (14, 11247530), (20, 7873271), (28, 5623765), (35, 4499012), (41, 3840620), (49, 3213580), (70, 2249506), (82, 1920310), (98, 1606790), (140, 1124753), (164, 960155), (196, 803395), (205, 768124), (245, 642716), (287, 548660), (410, 384062), (490, 321358), (574, 274330), (820, 192031), (980, 160679), (1148, 137165), (1435, 109732), (2009, 78380), (2870, 54866), (3919, 40180), (4018, 39190), (5740, 27433), (7838, 20090), (8036, 19595), (10045, 15676)]