243754420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 689558184

約数和(自身を除く): 445803764

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 53, 65, 70, 76, 91, 95, 98, 106, 130, 133, 140, 182, 190, 196, 212, 245, 247, 260, 265, 266, 361, 364, 371, 380, 455, 490, 494, 530, 532, 637, 665, 689, 722, 742, 910, 931, 980, 988, 1007, 1060, 1235, 1274, 1330, 1378, 1444, 1484, 1729, 1805, 1820, 1855, 1862, 2014, 2470, 2527, 2548, 2597, 2660, 2756, 3185, 3445, 3458, 3610, 3710, 3724, 4028, 4655, 4693, 4823, 4940, 5035, 5054, 5194, 6370, 6890, 6916, 7049, 7220, 7420, 8645, 9310, 9386, 9646, 10070, 10108, 10388, 12103, 12635, 12740, 12985, 13091, 13780, 14098, 17290, 17689, 18620, 18772, 19133, 19292, 20140, 23465, 24115, 24206, 25270, 25970, 26182, 28196, 32851, 33761, 34580, 35245, 35378, 38266, 46930, 48230, 48412, 49343, 50540, 51940, 52364, 60515, 65455, 65702, 67522, 70490, 70756, 76532, 88445, 91637, 93860, 95665, 96460, 98686, 121030, 130910, 131404, 133931, 135044, 140980, 164255, 168805, 176890, 183274, 191330, 197372, 229957, 242060, 246715, 248729, 261820, 267862, 328510, 337610, 353780, 366548, 382660, 458185, 459914, 493430, 497458, 535724, 641459, 657020, 669655, 675220, 916370, 919828, 937517, 986860, 994916, 1149785, 1243645, 1282918, 1339310, 1741103, 1832740, 1875034, 2299570, 2487290, 2565836, 2678620, 3207295, 3482206, 3750068, 4599140, 4687585, 4974580, 6414590, 6964412, 8705515, 9375170, 12187721, 12829180, 17411030, 18750340, 24375442, 34822060, 48750884, 60938605, 121877210, 243754420]

約数ペア:

[(1, 243754420), (2, 121877210), (4, 60938605), (5, 48750884), (7, 34822060), (10, 24375442), (13, 18750340), (14, 17411030), (19, 12829180), (20, 12187721), (26, 9375170), (28, 8705515), (35, 6964412), (38, 6414590), (49, 4974580), (52, 4687585), (53, 4599140), (65, 3750068), (70, 3482206), (76, 3207295), (91, 2678620), (95, 2565836), (98, 2487290), (106, 2299570), (130, 1875034), (133, 1832740), (140, 1741103), (182, 1339310), (190, 1282918), (196, 1243645), (212, 1149785), (245, 994916), (247, 986860), (260, 937517), (265, 919828), (266, 916370), (361, 675220), (364, 669655), (371, 657020), (380, 641459), (455, 535724), (490, 497458), (494, 493430), (530, 459914), (532, 458185), (637, 382660), (665, 366548), (689, 353780), (722, 337610), (742, 328510), (910, 267862), (931, 261820), (980, 248729), (988, 246715), (1007, 242060), (1060, 229957), (1235, 197372), (1274, 191330), (1330, 183274), (1378, 176890), (1444, 168805), (1484, 164255), (1729, 140980), (1805, 135044), (1820, 133931), (1855, 131404), (1862, 130910), (2014, 121030), (2470, 98686), (2527, 96460), (2548, 95665), (2597, 93860), (2660, 91637), (2756, 88445), (3185, 76532), (3445, 70756), (3458, 70490), (3610, 67522), (3710, 65702), (3724, 65455), (4028, 60515), (4655, 52364), (4693, 51940), (4823, 50540), (4940, 49343), (5035, 48412), (5054, 48230), (5194, 46930), (6370, 38266), (6890, 35378), (6916, 35245), (7049, 34580), (7220, 33761), (7420, 32851), (8645, 28196), (9310, 26182), (9386, 25970), (9646, 25270), (10070, 24206), (10108, 24115), (10388, 23465), (12103, 20140), (12635, 19292), (12740, 19133), (12985, 18772), (13091, 18620), (13780, 17689), (14098, 17290)]