290155040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 827947008

約数和(自身を除く): 537791968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 137, 140, 155, 160, 217, 224, 244, 248, 274, 280, 305, 310, 427, 434, 488, 496, 548, 560, 610, 620, 685, 854, 868, 959, 976, 992, 1085, 1096, 1120, 1220, 1240, 1370, 1708, 1736, 1891, 1918, 1952, 2135, 2170, 2192, 2440, 2480, 2740, 3416, 3472, 3782, 3836, 4247, 4270, 4340, 4384, 4795, 4880, 4960, 5480, 6832, 6944, 7564, 7672, 8357, 8494, 8540, 8680, 9455, 9590, 9760, 10960, 13237, 13664, 15128, 15344, 16714, 16988, 17080, 17360, 18910, 19180, 21235, 21920, 26474, 29729, 30256, 30688, 33428, 33976, 34160, 34720, 37820, 38360, 41785, 42470, 52948, 58499, 59458, 60512, 66185, 66856, 67952, 68320, 75640, 76720, 83570, 84940, 105896, 116998, 118916, 132370, 133712, 135904, 148645, 151280, 153440, 167140, 169880, 211792, 233996, 237832, 259067, 264740, 267424, 292495, 297290, 302560, 334280, 339760, 423584, 467992, 475664, 518134, 529480, 584990, 594580, 668560, 679520, 935984, 951328, 1036268, 1058960, 1169980, 1189160, 1295335, 1337120, 1813469, 1871968, 2072536, 2117920, 2339960, 2378320, 2590670, 3626938, 4145072, 4679920, 4756640, 5181340, 7253876, 8290144, 9067345, 9359840, 10362680, 14507752, 18134690, 20725360, 29015504, 36269380, 41450720, 58031008, 72538760, 145077520, 290155040]

約数ペア:

[(1, 290155040), (2, 145077520), (4, 72538760), (5, 58031008), (7, 41450720), (8, 36269380), (10, 29015504), (14, 20725360), (16, 18134690), (20, 14507752), (28, 10362680), (31, 9359840), (32, 9067345), (35, 8290144), (40, 7253876), (56, 5181340), (61, 4756640), (62, 4679920), (70, 4145072), (80, 3626938), (112, 2590670), (122, 2378320), (124, 2339960), (137, 2117920), (140, 2072536), (155, 1871968), (160, 1813469), (217, 1337120), (224, 1295335), (244, 1189160), (248, 1169980), (274, 1058960), (280, 1036268), (305, 951328), (310, 935984), (427, 679520), (434, 668560), (488, 594580), (496, 584990), (548, 529480), (560, 518134), (610, 475664), (620, 467992), (685, 423584), (854, 339760), (868, 334280), (959, 302560), (976, 297290), (992, 292495), (1085, 267424), (1096, 264740), (1120, 259067), (1220, 237832), (1240, 233996), (1370, 211792), (1708, 169880), (1736, 167140), (1891, 153440), (1918, 151280), (1952, 148645), (2135, 135904), (2170, 133712), (2192, 132370), (2440, 118916), (2480, 116998), (2740, 105896), (3416, 84940), (3472, 83570), (3782, 76720), (3836, 75640), (4247, 68320), (4270, 67952), (4340, 66856), (4384, 66185), (4795, 60512), (4880, 59458), (4960, 58499), (5480, 52948), (6832, 42470), (6944, 41785), (7564, 38360), (7672, 37820), (8357, 34720), (8494, 34160), (8540, 33976), (8680, 33428), (9455, 30688), (9590, 30256), (9760, 29729), (10960, 26474), (13237, 21920), (13664, 21235), (15128, 19180), (15344, 18910), (16714, 17360), (16988, 17080)]