263063440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2887}}^1$

素因数の和:2984

約数の個数: 80

約数和(自身を含む): 657493632

約数和(自身を除く): 394430192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 1072, 1139, 1340, 1360, 2278, 2680, 2887, 4556, 5360, 5695, 5774, 9112, 11390, 11548, 14435, 18224, 22780, 23096, 28870, 45560, 46192, 49079, 57740, 91120, 98158, 115480, 193429, 196316, 230960, 245395, 386858, 392632, 490790, 773716, 785264, 967145, 981580, 1547432, 1934290, 1963160, 3094864, 3288293, 3868580, 3926320, 6576586, 7737160, 13153172, 15474320, 16441465, 26306344, 32882930, 52612688, 65765860, 131531720, 263063440]

約数ペア:

[(1, 263063440), (2, 131531720), (4, 65765860), (5, 52612688), (8, 32882930), (10, 26306344), (16, 16441465), (17, 15474320), (20, 13153172), (34, 7737160), (40, 6576586), (67, 3926320), (68, 3868580), (80, 3288293), (85, 3094864), (134, 1963160), (136, 1934290), (170, 1547432), (268, 981580), (272, 967145), (335, 785264), (340, 773716), (536, 490790), (670, 392632), (680, 386858), (1072, 245395), (1139, 230960), (1340, 196316), (1360, 193429), (2278, 115480), (2680, 98158), (2887, 91120), (4556, 57740), (5360, 49079), (5695, 46192), (5774, 45560), (9112, 28870), (11390, 23096), (11548, 22780), (14435, 18224)]