349664980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 913550400

約数和(自身を除く): 563885420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 89, 95, 98, 133, 140, 178, 190, 196, 211, 245, 266, 356, 380, 422, 445, 490, 532, 623, 665, 844, 890, 931, 980, 1055, 1246, 1330, 1477, 1691, 1780, 1862, 2110, 2492, 2660, 2954, 3115, 3382, 3724, 4009, 4220, 4361, 4655, 5908, 6230, 6764, 7385, 8018, 8455, 8722, 9310, 10339, 11837, 12460, 14770, 16036, 16910, 17444, 18620, 18779, 20045, 20678, 21805, 23674, 28063, 29540, 33820, 37558, 40090, 41356, 43610, 47348, 51695, 56126, 59185, 75116, 80180, 82859, 87220, 93895, 103390, 112252, 118370, 131453, 140315, 165718, 187790, 196441, 206780, 236740, 262906, 280630, 331436, 356801, 375580, 392882, 414295, 525812, 561260, 657265, 713602, 785764, 828590, 920171, 982205, 1314530, 1427204, 1657180, 1784005, 1840342, 1964410, 2497607, 2629060, 3568010, 3680684, 3928820, 4600855, 4995214, 7136020, 9201710, 9990428, 12488035, 17483249, 18403420, 24976070, 34966498, 49952140, 69932996, 87416245, 174832490, 349664980]

約数ペア:

[(1, 349664980), (2, 174832490), (4, 87416245), (5, 69932996), (7, 49952140), (10, 34966498), (14, 24976070), (19, 18403420), (20, 17483249), (28, 12488035), (35, 9990428), (38, 9201710), (49, 7136020), (70, 4995214), (76, 4600855), (89, 3928820), (95, 3680684), (98, 3568010), (133, 2629060), (140, 2497607), (178, 1964410), (190, 1840342), (196, 1784005), (211, 1657180), (245, 1427204), (266, 1314530), (356, 982205), (380, 920171), (422, 828590), (445, 785764), (490, 713602), (532, 657265), (623, 561260), (665, 525812), (844, 414295), (890, 392882), (931, 375580), (980, 356801), (1055, 331436), (1246, 280630), (1330, 262906), (1477, 236740), (1691, 206780), (1780, 196441), (1862, 187790), (2110, 165718), (2492, 140315), (2660, 131453), (2954, 118370), (3115, 112252), (3382, 103390), (3724, 93895), (4009, 87220), (4220, 82859), (4361, 80180), (4655, 75116), (5908, 59185), (6230, 56126), (6764, 51695), (7385, 47348), (8018, 43610), (8455, 41356), (8722, 40090), (9310, 37558), (10339, 33820), (11837, 29540), (12460, 28063), (14770, 23674), (16036, 21805), (16910, 20678), (17444, 20045), (18620, 18779)]