208942380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8861}}^1$

素因数の和:9007

約数の個数: 72

約数和(自身を含む): 638702064

約数和(自身を除く): 429759684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 8861, 11790, 17722, 23580, 26583, 35444, 44305, 53166, 79749, 88610, 106332, 132915, 159498, 177220, 265830, 318996, 398745, 531660, 797490, 1160791, 1594980, 2321582, 3482373, 4643164, 5803955, 6964746, 10447119, 11607910, 13929492, 17411865, 20894238, 23215820, 34823730, 41788476, 52235595, 69647460, 104471190, 208942380]

約数ペア:

[(1, 208942380), (2, 104471190), (3, 69647460), (4, 52235595), (5, 41788476), (6, 34823730), (9, 23215820), (10, 20894238), (12, 17411865), (15, 13929492), (18, 11607910), (20, 10447119), (30, 6964746), (36, 5803955), (45, 4643164), (60, 3482373), (90, 2321582), (131, 1594980), (180, 1160791), (262, 797490), (393, 531660), (524, 398745), (655, 318996), (786, 265830), (1179, 177220), (1310, 159498), (1572, 132915), (1965, 106332), (2358, 88610), (2620, 79749), (3930, 53166), (4716, 44305), (5895, 35444), (7860, 26583), (8861, 23580), (11790, 17722)]