408076292780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{204979}}^1$

素因数の和:205064

約数の個数: 144

約数和(自身を含む): 1008304819200

約数和(自身を除く): 600228526420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 169, 190, 247, 260, 310, 338, 380, 403, 494, 589, 620, 676, 806, 845, 988, 1178, 1235, 1612, 1690, 2015, 2356, 2470, 2945, 3211, 3380, 4030, 4940, 5239, 5890, 6422, 7657, 8060, 10478, 11780, 12844, 15314, 16055, 20956, 26195, 30628, 32110, 38285, 52390, 64220, 76570, 99541, 104780, 153140, 199082, 204979, 398164, 409958, 497705, 819916, 995410, 1024895, 1990820, 2049790, 2664727, 3894601, 4099580, 5329454, 6354349, 7789202, 10658908, 12708698, 13323635, 15578404, 19473005, 25417396, 26647270, 31771745, 34641451, 38946010, 50629813, 53294540, 63543490, 69282902, 77892020, 82606537, 101259626, 120732631, 127086980, 138565804, 165213074, 173207255, 202519252, 241465262, 253149065, 330426148, 346414510, 413032685, 482930524, 506298130, 603663155, 658187569, 692829020, 826065370, 1012596260, 1073884981, 1207326310, 1316375138, 1569524203, 1652130740, 2147769962, 2414652620, 2632750276, 3139048406, 3290937845, 4295539924, 5369424905, 6278096812, 6581875690, 7847621015, 10738849810, 13163751380, 15695242030, 20403814639, 21477699620, 31390484060, 40807629278, 81615258556, 102019073195, 204038146390, 408076292780]

約数ペア:

[(1, 408076292780), (2, 204038146390), (4, 102019073195), (5, 81615258556), (10, 40807629278), (13, 31390484060), (19, 21477699620), (20, 20403814639), (26, 15695242030), (31, 13163751380), (38, 10738849810), (52, 7847621015), (62, 6581875690), (65, 6278096812), (76, 5369424905), (95, 4295539924), (124, 3290937845), (130, 3139048406), (155, 2632750276), (169, 2414652620), (190, 2147769962), (247, 1652130740), (260, 1569524203), (310, 1316375138), (338, 1207326310), (380, 1073884981), (403, 1012596260), (494, 826065370), (589, 692829020), (620, 658187569), (676, 603663155), (806, 506298130), (845, 482930524), (988, 413032685), (1178, 346414510), (1235, 330426148), (1612, 253149065), (1690, 241465262), (2015, 202519252), (2356, 173207255), (2470, 165213074), (2945, 138565804), (3211, 127086980), (3380, 120732631), (4030, 101259626), (4940, 82606537), (5239, 77892020), (5890, 69282902), (6422, 63543490), (7657, 53294540), (8060, 50629813), (10478, 38946010), (11780, 34641451), (12844, 31771745), (15314, 26647270), (16055, 25417396), (20956, 19473005), (26195, 15578404), (30628, 13323635), (32110, 12708698), (38285, 10658908), (52390, 7789202), (64220, 6354349), (76570, 5329454), (99541, 4099580), (104780, 3894601), (153140, 2664727), (199082, 2049790), (204979, 1990820), (398164, 1024895), (409958, 995410), (497705, 819916)]