248243940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{7297}}^1$

素因数の和:7328

約数の個数: 144

約数和(自身を含む): 892574592

約数和(自身を除く): 644330652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 7297, 8505, 11340, 14594, 17010, 21891, 29188, 34020, 36485, 43782, 51079, 65673, 72970, 87564, 102158, 109455, 131346, 145940, 153237, 197019, 204316, 218910, 255395, 262692, 306474, 328365, 394038, 437820, 459711, 510790, 591057, 612948, 656730, 766185, 788076, 919422, 985095, 1021580, 1182114, 1313460, 1379133, 1532370, 1773171, 1838844, 1970190, 2298555, 2364228, 2758266, 2955285, 3064740, 3546342, 3940380, 4137399, 4597110, 5516532, 5910570, 6895665, 7092684, 8274798, 8865855, 9194220, 11821140, 12412197, 13791330, 16549596, 17731710, 20686995, 24824394, 27582660, 35463420, 41373990, 49648788, 62060985, 82747980, 124121970, 248243940]

約数ペア:

[(1, 248243940), (2, 124121970), (3, 82747980), (4, 62060985), (5, 49648788), (6, 41373990), (7, 35463420), (9, 27582660), (10, 24824394), (12, 20686995), (14, 17731710), (15, 16549596), (18, 13791330), (20, 12412197), (21, 11821140), (27, 9194220), (28, 8865855), (30, 8274798), (35, 7092684), (36, 6895665), (42, 5910570), (45, 5516532), (54, 4597110), (60, 4137399), (63, 3940380), (70, 3546342), (81, 3064740), (84, 2955285), (90, 2758266), (105, 2364228), (108, 2298555), (126, 1970190), (135, 1838844), (140, 1773171), (162, 1532370), (180, 1379133), (189, 1313460), (210, 1182114), (243, 1021580), (252, 985095), (270, 919422), (315, 788076), (324, 766185), (378, 656730), (405, 612948), (420, 591057), (486, 510790), (540, 459711), (567, 437820), (630, 394038), (756, 328365), (810, 306474), (945, 262692), (972, 255395), (1134, 218910), (1215, 204316), (1260, 197019), (1620, 153237), (1701, 145940), (1890, 131346), (2268, 109455), (2430, 102158), (2835, 87564), (3402, 72970), (3780, 65673), (4860, 51079), (5670, 43782), (6804, 36485), (7297, 34020), (8505, 29188), (11340, 21891), (14594, 17010)]