208850280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 665280000

約数和(自身を除く): 456429720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 139, 152, 190, 228, 278, 285, 380, 417, 456, 556, 570, 659, 695, 760, 834, 1112, 1140, 1318, 1390, 1668, 1977, 2085, 2280, 2636, 2641, 2780, 3295, 3336, 3954, 4170, 5272, 5282, 5560, 6590, 7908, 7923, 8340, 9885, 10564, 12521, 13180, 13205, 15816, 15846, 16680, 19770, 21128, 25042, 26360, 26410, 31692, 37563, 39540, 39615, 50084, 52820, 62605, 63384, 75126, 79080, 79230, 91601, 100168, 105640, 125210, 150252, 158460, 183202, 187815, 250420, 274803, 300504, 316920, 366404, 375630, 458005, 500840, 549606, 732808, 751260, 916010, 1099212, 1374015, 1502520, 1740419, 1832020, 2198424, 2748030, 3480838, 3664040, 5221257, 5496060, 6961676, 8702095, 10442514, 10992120, 13923352, 17404190, 20885028, 26106285, 34808380, 41770056, 52212570, 69616760, 104425140, 208850280]

約数ペア:

[(1, 208850280), (2, 104425140), (3, 69616760), (4, 52212570), (5, 41770056), (6, 34808380), (8, 26106285), (10, 20885028), (12, 17404190), (15, 13923352), (19, 10992120), (20, 10442514), (24, 8702095), (30, 6961676), (38, 5496060), (40, 5221257), (57, 3664040), (60, 3480838), (76, 2748030), (95, 2198424), (114, 1832020), (120, 1740419), (139, 1502520), (152, 1374015), (190, 1099212), (228, 916010), (278, 751260), (285, 732808), (380, 549606), (417, 500840), (456, 458005), (556, 375630), (570, 366404), (659, 316920), (695, 300504), (760, 274803), (834, 250420), (1112, 187815), (1140, 183202), (1318, 158460), (1390, 150252), (1668, 125210), (1977, 105640), (2085, 100168), (2280, 91601), (2636, 79230), (2641, 79080), (2780, 75126), (3295, 63384), (3336, 62605), (3954, 52820), (4170, 50084), (5272, 39615), (5282, 39540), (5560, 37563), (6590, 31692), (7908, 26410), (7923, 26360), (8340, 25042), (9885, 21128), (10564, 19770), (12521, 16680), (13180, 15846), (13205, 15816)]