311856272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11273}}^1$

素因数の和:11320

約数の個数: 80

約数和(自身を含む): 782866560

約数和(自身を除く): 471010288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 3458, 3952, 6916, 11273, 13832, 22546, 27664, 45092, 78911, 90184, 146549, 157822, 180368, 214187, 293098, 315644, 428374, 586196, 631288, 856748, 1025843, 1172392, 1262576, 1499309, 1713496, 2051686, 2344784, 2784431, 2998618, 3426992, 4103372, 5568862, 5997236, 8206744, 11137724, 11994472, 16413488, 19491017, 22275448, 23988944, 38982034, 44550896, 77964068, 155928136, 311856272]

約数ペア:

[(1, 311856272), (2, 155928136), (4, 77964068), (7, 44550896), (8, 38982034), (13, 23988944), (14, 22275448), (16, 19491017), (19, 16413488), (26, 11994472), (28, 11137724), (38, 8206744), (52, 5997236), (56, 5568862), (76, 4103372), (91, 3426992), (104, 2998618), (112, 2784431), (133, 2344784), (152, 2051686), (182, 1713496), (208, 1499309), (247, 1262576), (266, 1172392), (304, 1025843), (364, 856748), (494, 631288), (532, 586196), (728, 428374), (988, 315644), (1064, 293098), (1456, 214187), (1729, 180368), (1976, 157822), (2128, 146549), (3458, 90184), (3952, 78911), (6916, 45092), (11273, 27664), (13832, 22546)]