199927980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:485

約数の個数: 192

約数和(自身を含む): 717050880

約数和(自身を除く): 517122900

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 227, 233, 252, 270, 315, 378, 420, 454, 466, 540, 630, 681, 699, 756, 908, 932, 945, 1135, 1165, 1260, 1362, 1398, 1589, 1631, 1890, 2043, 2097, 2270, 2330, 2724, 2796, 3178, 3262, 3405, 3495, 3780, 4086, 4194, 4540, 4660, 4767, 4893, 6129, 6291, 6356, 6524, 6810, 6990, 7945, 8155, 8172, 8388, 9534, 9786, 10215, 10485, 12258, 12582, 13620, 13980, 14301, 14679, 15890, 16310, 19068, 19572, 20430, 20970, 23835, 24465, 24516, 25164, 28602, 29358, 30645, 31455, 31780, 32620, 40860, 41940, 42903, 44037, 47670, 48930, 52891, 57204, 58716, 61290, 62910, 71505, 73395, 85806, 88074, 95340, 97860, 105782, 122580, 125820, 143010, 146790, 158673, 171612, 176148, 211564, 214515, 220185, 264455, 286020, 293580, 317346, 370237, 429030, 440370, 476019, 528910, 634692, 740474, 793365, 858060, 880740, 952038, 1057820, 1110711, 1428057, 1480948, 1586730, 1851185, 1904076, 2221422, 2380095, 2856114, 3173460, 3332133, 3702370, 4442844, 4760190, 5553555, 5712228, 6664266, 7140285, 7404740, 9520380, 9996399, 11107110, 13328532, 14280570, 16660665, 19992798, 22214220, 28561140, 33321330, 39985596, 49981995, 66642660, 99963990, 199927980]

約数ペア:

[(1, 199927980), (2, 99963990), (3, 66642660), (4, 49981995), (5, 39985596), (6, 33321330), (7, 28561140), (9, 22214220), (10, 19992798), (12, 16660665), (14, 14280570), (15, 13328532), (18, 11107110), (20, 9996399), (21, 9520380), (27, 7404740), (28, 7140285), (30, 6664266), (35, 5712228), (36, 5553555), (42, 4760190), (45, 4442844), (54, 3702370), (60, 3332133), (63, 3173460), (70, 2856114), (84, 2380095), (90, 2221422), (105, 1904076), (108, 1851185), (126, 1586730), (135, 1480948), (140, 1428057), (180, 1110711), (189, 1057820), (210, 952038), (227, 880740), (233, 858060), (252, 793365), (270, 740474), (315, 634692), (378, 528910), (420, 476019), (454, 440370), (466, 429030), (540, 370237), (630, 317346), (681, 293580), (699, 286020), (756, 264455), (908, 220185), (932, 214515), (945, 211564), (1135, 176148), (1165, 171612), (1260, 158673), (1362, 146790), (1398, 143010), (1589, 125820), (1631, 122580), (1890, 105782), (2043, 97860), (2097, 95340), (2270, 88074), (2330, 85806), (2724, 73395), (2796, 71505), (3178, 62910), (3262, 61290), (3405, 58716), (3495, 57204), (3780, 52891), (4086, 48930), (4194, 47670), (4540, 44037), (4660, 42903), (4767, 41940), (4893, 40860), (6129, 32620), (6291, 31780), (6356, 31455), (6524, 30645), (6810, 29358), (6990, 28602), (7945, 25164), (8155, 24516), (8172, 24465), (8388, 23835), (9534, 20970), (9786, 20430), (10215, 19572), (10485, 19068), (12258, 16310), (12582, 15890), (13620, 14679), (13980, 14301)]