1738381820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1049}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 4524660000

約数和(自身を除く): 2786278180

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, 245, 266, 356, 380, 445, 490, 532, 623, 665, 890, 931, 980, 1049, 1246, 1330, 1691, 1780, 1862, 2098, 2492, 2660, 3115, 3382, 3724, 4196, 4361, 4655, 5245, 6230, 6764, 7343, 8455, 8722, 9310, 10490, 11837, 12460, 14686, 16910, 17444, 18620, 19931, 20980, 21805, 23674, 29372, 33820, 36715, 39862, 43610, 47348, 51401, 59185, 73430, 79724, 82859, 87220, 93361, 99655, 102802, 118370, 139517, 146860, 165718, 186722, 199310, 205604, 236740, 257005, 279034, 331436, 373444, 398620, 414295, 466805, 514010, 558068, 653527, 697585, 828590, 933610, 976619, 1028020, 1307054, 1395170, 1657180, 1773859, 1867220, 1953238, 2614108, 2790340, 3267635, 3547718, 3906476, 4574689, 4883095, 6535270, 7095436, 8869295, 9149378, 9766190, 12417013, 13070540, 17738590, 18298756, 19532380, 22873445, 24834026, 35477180, 45746890, 49668052, 62085065, 86919091, 91493780, 124170130, 173838182, 248340260, 347676364, 434595455, 869190910, 1738381820]

約数ペア:

[(1, 1738381820), (2, 869190910), (4, 434595455), (5, 347676364), (7, 248340260), (10, 173838182), (14, 124170130), (19, 91493780), (20, 86919091), (28, 62085065), (35, 49668052), (38, 45746890), (49, 35477180), (70, 24834026), (76, 22873445), (89, 19532380), (95, 18298756), (98, 17738590), (133, 13070540), (140, 12417013), (178, 9766190), (190, 9149378), (196, 8869295), (245, 7095436), (266, 6535270), (356, 4883095), (380, 4574689), (445, 3906476), (490, 3547718), (532, 3267635), (623, 2790340), (665, 2614108), (890, 1953238), (931, 1867220), (980, 1773859), (1049, 1657180), (1246, 1395170), (1330, 1307054), (1691, 1028020), (1780, 976619), (1862, 933610), (2098, 828590), (2492, 697585), (2660, 653527), (3115, 558068), (3382, 514010), (3724, 466805), (4196, 414295), (4361, 398620), (4655, 373444), (5245, 331436), (6230, 279034), (6764, 257005), (7343, 236740), (8455, 205604), (8722, 199310), (9310, 186722), (10490, 165718), (11837, 146860), (12460, 139517), (14686, 118370), (16910, 102802), (17444, 99655), (18620, 93361), (19931, 87220), (20980, 82859), (21805, 79724), (23674, 73430), (29372, 59185), (33820, 51401), (36715, 47348), (39862, 43610)]