211000860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 216

約数和(自身を含む): 761866560

約数和(自身を除く): 550865700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 282, 294, 315, 329, 420, 423, 441, 470, 490, 509, 564, 588, 630, 658, 705, 735, 846, 882, 940, 980, 987, 1018, 1260, 1316, 1410, 1470, 1527, 1645, 1692, 1764, 1974, 2036, 2115, 2205, 2303, 2545, 2820, 2940, 2961, 3054, 3290, 3563, 3948, 4230, 4410, 4581, 4606, 4935, 5090, 5922, 6108, 6580, 6909, 7126, 7635, 8460, 8820, 9162, 9212, 9870, 10180, 10689, 11515, 11844, 13818, 14252, 14805, 15270, 17815, 18324, 19740, 20727, 21378, 22905, 23030, 23923, 24941, 27636, 29610, 30540, 32067, 34545, 35630, 41454, 42756, 45810, 46060, 47846, 49882, 53445, 59220, 64134, 69090, 71260, 71769, 74823, 82908, 91620, 95692, 99764, 103635, 106890, 119615, 124705, 128268, 138180, 143538, 149646, 160335, 167461, 207270, 213780, 215307, 224469, 239230, 249410, 287076, 299292, 320670, 334922, 358845, 374115, 414540, 430614, 448938, 478460, 498820, 502383, 641340, 669844, 717690, 748230, 837305, 861228, 897876, 1004766, 1076535, 1122345, 1172227, 1435380, 1496460, 1507149, 1674610, 2009532, 2153070, 2244690, 2344454, 2511915, 3014298, 3349220, 3516681, 4306140, 4489380, 4688908, 5023830, 5861135, 6028596, 7033362, 7535745, 10047660, 10550043, 11722270, 14066724, 15071490, 17583405, 21100086, 23444540, 30142980, 35166810, 42200172, 52750215, 70333620, 105500430, 211000860]

約数ペア:

[(1, 211000860), (2, 105500430), (3, 70333620), (4, 52750215), (5, 42200172), (6, 35166810), (7, 30142980), (9, 23444540), (10, 21100086), (12, 17583405), (14, 15071490), (15, 14066724), (18, 11722270), (20, 10550043), (21, 10047660), (28, 7535745), (30, 7033362), (35, 6028596), (36, 5861135), (42, 5023830), (45, 4688908), (47, 4489380), (49, 4306140), (60, 3516681), (63, 3349220), (70, 3014298), (84, 2511915), (90, 2344454), (94, 2244690), (98, 2153070), (105, 2009532), (126, 1674610), (140, 1507149), (141, 1496460), (147, 1435380), (180, 1172227), (188, 1122345), (196, 1076535), (210, 1004766), (235, 897876), (245, 861228), (252, 837305), (282, 748230), (294, 717690), (315, 669844), (329, 641340), (420, 502383), (423, 498820), (441, 478460), (470, 448938), (490, 430614), (509, 414540), (564, 374115), (588, 358845), (630, 334922), (658, 320670), (705, 299292), (735, 287076), (846, 249410), (882, 239230), (940, 224469), (980, 215307), (987, 213780), (1018, 207270), (1260, 167461), (1316, 160335), (1410, 149646), (1470, 143538), (1527, 138180), (1645, 128268), (1692, 124705), (1764, 119615), (1974, 106890), (2036, 103635), (2115, 99764), (2205, 95692), (2303, 91620), (2545, 82908), (2820, 74823), (2940, 71769), (2961, 71260), (3054, 69090), (3290, 64134), (3563, 59220), (3948, 53445), (4230, 49882), (4410, 47846), (4581, 46060), (4606, 45810), (4935, 42756), (5090, 41454), (5922, 35630), (6108, 34545), (6580, 32067), (6909, 30540), (7126, 29610), (7635, 27636), (8460, 24941), (8820, 23923), (9162, 23030), (9212, 22905), (9870, 21378), (10180, 20727), (10689, 19740), (11515, 18324), (11844, 17815), (13818, 15270), (14252, 14805)]