199960180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10739}}^1$

素因数の和:10781

約数の個数: 72

約数和(自身を含む): 514231200

約数和(自身を除く): 314271020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 10739, 18620, 21478, 42956, 53695, 75173, 107390, 150346, 204041, 214780, 300692, 375865, 408082, 526211, 751730, 816164, 1020205, 1052422, 1428287, 1503460, 2040410, 2104844, 2631055, 2856574, 4080820, 5262110, 5713148, 7141435, 9998009, 10524220, 14282870, 19996018, 28565740, 39992036, 49990045, 99980090, 199960180]

約数ペア:

[(1, 199960180), (2, 99980090), (4, 49990045), (5, 39992036), (7, 28565740), (10, 19996018), (14, 14282870), (19, 10524220), (20, 9998009), (28, 7141435), (35, 5713148), (38, 5262110), (49, 4080820), (70, 2856574), (76, 2631055), (95, 2104844), (98, 2040410), (133, 1503460), (140, 1428287), (190, 1052422), (196, 1020205), (245, 816164), (266, 751730), (380, 526211), (490, 408082), (532, 375865), (665, 300692), (931, 214780), (980, 204041), (1330, 150346), (1862, 107390), (2660, 75173), (3724, 53695), (4655, 42956), (9310, 21478), (10739, 18620)]