291285284920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1\times {\mathrm{8623}}^1$

素因数の和:9405

約数の個数: 128

約数和(自身を含む): 753856266240

約数和(自身を除く): 462570981320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 541, 892, 1082, 1115, 1561, 1784, 2164, 2230, 2705, 3122, 3787, 4328, 4460, 5410, 6244, 7574, 7805, 8623, 8920, 10820, 12488, 15148, 15610, 17246, 18935, 21640, 30296, 31220, 34492, 37870, 43115, 60361, 62440, 68984, 75740, 86230, 120643, 120722, 151480, 172460, 241286, 241444, 301805, 344920, 482572, 482888, 603215, 603610, 844501, 965144, 1206430, 1207220, 1689002, 1922929, 2412860, 2414440, 3378004, 3845858, 4222505, 4665043, 4825720, 6756008, 7691716, 8445010, 9330086, 9614645, 13460503, 15383432, 16890020, 18660172, 19229290, 23325215, 26921006, 32655301, 33780040, 37320344, 38458580, 46650430, 53842012, 65310602, 67302515, 76917160, 93300860, 107684024, 130621204, 134605030, 163276505, 186601720, 261242408, 269210060, 326553010, 538420120, 653106020, 1040304589, 1306212040, 2080609178, 4161218356, 5201522945, 7282132123, 8322436712, 10403045890, 14564264246, 20806091780, 29128528492, 36410660615, 41612183560, 58257056984, 72821321230, 145642642460, 291285284920]

約数ペア:

[(1, 291285284920), (2, 145642642460), (4, 72821321230), (5, 58257056984), (7, 41612183560), (8, 36410660615), (10, 29128528492), (14, 20806091780), (20, 14564264246), (28, 10403045890), (35, 8322436712), (40, 7282132123), (56, 5201522945), (70, 4161218356), (140, 2080609178), (223, 1306212040), (280, 1040304589), (446, 653106020), (541, 538420120), (892, 326553010), (1082, 269210060), (1115, 261242408), (1561, 186601720), (1784, 163276505), (2164, 134605030), (2230, 130621204), (2705, 107684024), (3122, 93300860), (3787, 76917160), (4328, 67302515), (4460, 65310602), (5410, 53842012), (6244, 46650430), (7574, 38458580), (7805, 37320344), (8623, 33780040), (8920, 32655301), (10820, 26921006), (12488, 23325215), (15148, 19229290), (15610, 18660172), (17246, 16890020), (18935, 15383432), (21640, 13460503), (30296, 9614645), (31220, 9330086), (34492, 8445010), (37870, 7691716), (43115, 6756008), (60361, 4825720), (62440, 4665043), (68984, 4222505), (75740, 3845858), (86230, 3378004), (120643, 2414440), (120722, 2412860), (151480, 1922929), (172460, 1689002), (241286, 1207220), (241444, 1206430), (301805, 965144), (344920, 844501), (482572, 603610), (482888, 603215)]