408894780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 192

約数和(自身を含む): 1378944000

約数和(自身を除く): 970049220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 59, 60, 70, 84, 87, 105, 116, 118, 140, 145, 174, 177, 203, 210, 236, 290, 295, 348, 354, 406, 413, 420, 435, 569, 580, 590, 609, 708, 812, 826, 870, 885, 1015, 1138, 1180, 1218, 1239, 1652, 1707, 1711, 1740, 1770, 2030, 2065, 2276, 2436, 2478, 2845, 3045, 3414, 3422, 3540, 3983, 4060, 4130, 4956, 5133, 5690, 6090, 6195, 6828, 6844, 7966, 8260, 8535, 8555, 10266, 11380, 11949, 11977, 12180, 12390, 15932, 16501, 17070, 17110, 19915, 20532, 23898, 23954, 24780, 25665, 33002, 33571, 34140, 34220, 35931, 39830, 47796, 47908, 49503, 51330, 59745, 59885, 66004, 67142, 71862, 79660, 82505, 99006, 100713, 102660, 115507, 119490, 119770, 134284, 143724, 165010, 167855, 179655, 198012, 201426, 231014, 234997, 238980, 239540, 247515, 330020, 335710, 346521, 359310, 402852, 462028, 469994, 495030, 503565, 577535, 671420, 693042, 704991, 718620, 939988, 973559, 990060, 1007130, 1155070, 1174985, 1386084, 1409982, 1732605, 1947118, 2014260, 2310140, 2349970, 2819964, 2920677, 3465210, 3524955, 3894236, 4699940, 4867795, 5841354, 6814913, 6930420, 7049910, 9735590, 11682708, 13629826, 14099820, 14603385, 19471180, 20444739, 27259652, 29206770, 34074565, 40889478, 58413540, 68149130, 81778956, 102223695, 136298260, 204447390, 408894780]

約数ペア:

[(1, 408894780), (2, 204447390), (3, 136298260), (4, 102223695), (5, 81778956), (6, 68149130), (7, 58413540), (10, 40889478), (12, 34074565), (14, 29206770), (15, 27259652), (20, 20444739), (21, 19471180), (28, 14603385), (29, 14099820), (30, 13629826), (35, 11682708), (42, 9735590), (58, 7049910), (59, 6930420), (60, 6814913), (70, 5841354), (84, 4867795), (87, 4699940), (105, 3894236), (116, 3524955), (118, 3465210), (140, 2920677), (145, 2819964), (174, 2349970), (177, 2310140), (203, 2014260), (210, 1947118), (236, 1732605), (290, 1409982), (295, 1386084), (348, 1174985), (354, 1155070), (406, 1007130), (413, 990060), (420, 973559), (435, 939988), (569, 718620), (580, 704991), (590, 693042), (609, 671420), (708, 577535), (812, 503565), (826, 495030), (870, 469994), (885, 462028), (1015, 402852), (1138, 359310), (1180, 346521), (1218, 335710), (1239, 330020), (1652, 247515), (1707, 239540), (1711, 238980), (1740, 234997), (1770, 231014), (2030, 201426), (2065, 198012), (2276, 179655), (2436, 167855), (2478, 165010), (2845, 143724), (3045, 134284), (3414, 119770), (3422, 119490), (3540, 115507), (3983, 102660), (4060, 100713), (4130, 99006), (4956, 82505), (5133, 79660), (5690, 71862), (6090, 67142), (6195, 66004), (6828, 59885), (6844, 59745), (7966, 51330), (8260, 49503), (8535, 47908), (8555, 47796), (10266, 39830), (11380, 35931), (11949, 34220), (11977, 34140), (12180, 33571), (12390, 33002), (15932, 25665), (16501, 24780), (17070, 23954), (17110, 23898), (19915, 20532)]