317595460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 847418544

約数和(自身を除く): 529823084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 97, 98, 130, 140, 182, 194, 196, 245, 257, 260, 364, 388, 455, 485, 490, 514, 637, 679, 910, 970, 980, 1028, 1261, 1274, 1285, 1358, 1799, 1820, 1940, 2522, 2548, 2570, 2716, 3185, 3341, 3395, 3598, 4753, 5044, 5140, 6305, 6370, 6682, 6790, 7196, 8827, 8995, 9506, 12593, 12610, 12740, 13364, 13580, 16705, 17654, 17990, 19012, 23387, 23765, 24929, 25186, 25220, 33410, 35308, 35980, 44135, 46774, 47530, 49858, 50372, 61789, 62965, 66820, 88270, 93548, 95060, 99716, 116935, 123578, 124645, 125930, 163709, 174503, 176540, 233870, 247156, 249290, 251860, 308945, 324077, 327418, 349006, 467740, 498580, 617890, 648154, 654836, 698012, 818545, 872515, 1221521, 1235780, 1296308, 1620385, 1637090, 1745030, 2268539, 2443042, 3240770, 3274180, 3490060, 4537078, 4886084, 6107605, 6481540, 9074156, 11342695, 12215210, 15879773, 22685390, 24430420, 31759546, 45370780, 63519092, 79398865, 158797730, 317595460]

約数ペア:

[(1, 317595460), (2, 158797730), (4, 79398865), (5, 63519092), (7, 45370780), (10, 31759546), (13, 24430420), (14, 22685390), (20, 15879773), (26, 12215210), (28, 11342695), (35, 9074156), (49, 6481540), (52, 6107605), (65, 4886084), (70, 4537078), (91, 3490060), (97, 3274180), (98, 3240770), (130, 2443042), (140, 2268539), (182, 1745030), (194, 1637090), (196, 1620385), (245, 1296308), (257, 1235780), (260, 1221521), (364, 872515), (388, 818545), (455, 698012), (485, 654836), (490, 648154), (514, 617890), (637, 498580), (679, 467740), (910, 349006), (970, 327418), (980, 324077), (1028, 308945), (1261, 251860), (1274, 249290), (1285, 247156), (1358, 233870), (1799, 176540), (1820, 174503), (1940, 163709), (2522, 125930), (2548, 124645), (2570, 123578), (2716, 116935), (3185, 99716), (3341, 95060), (3395, 93548), (3598, 88270), (4753, 66820), (5044, 62965), (5140, 61789), (6305, 50372), (6370, 49858), (6682, 47530), (6790, 46774), (7196, 44135), (8827, 35980), (8995, 35308), (9506, 33410), (12593, 25220), (12610, 25186), (12740, 24929), (13364, 23765), (13580, 23387), (16705, 19012), (17654, 17990)]