181838020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2082

約数の個数: 96

約数和(自身を含む): 479808000

約数和(自身を除く): 297969980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 910, 980, 1274, 1372, 1715, 1820, 2039, 2548, 3185, 3430, 4078, 4459, 6370, 6860, 8156, 8918, 10195, 12740, 14273, 17836, 20390, 22295, 26507, 28546, 40780, 44590, 53014, 57092, 71365, 89180, 99911, 106028, 132535, 142730, 185549, 199822, 265070, 285460, 371098, 399644, 499555, 530140, 699377, 742196, 927745, 999110, 1298843, 1398754, 1855490, 1998220, 2597686, 2797508, 3496885, 3710980, 5195372, 6494215, 6993770, 9091901, 12988430, 13987540, 18183802, 25976860, 36367604, 45459505, 90919010, 181838020]

約数ペア:

[(1, 181838020), (2, 90919010), (4, 45459505), (5, 36367604), (7, 25976860), (10, 18183802), (13, 13987540), (14, 12988430), (20, 9091901), (26, 6993770), (28, 6494215), (35, 5195372), (49, 3710980), (52, 3496885), (65, 2797508), (70, 2597686), (91, 1998220), (98, 1855490), (130, 1398754), (140, 1298843), (182, 999110), (196, 927745), (245, 742196), (260, 699377), (343, 530140), (364, 499555), (455, 399644), (490, 371098), (637, 285460), (686, 265070), (910, 199822), (980, 185549), (1274, 142730), (1372, 132535), (1715, 106028), (1820, 99911), (2039, 89180), (2548, 71365), (3185, 57092), (3430, 53014), (4078, 44590), (4459, 40780), (6370, 28546), (6860, 26507), (8156, 22295), (8918, 20390), (10195, 17836), (12740, 14273)]