201455440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{887}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 499468032

約数和(自身を除く): 298012592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 167, 170, 272, 334, 340, 668, 680, 835, 887, 1336, 1360, 1670, 1774, 2672, 2839, 3340, 3548, 4435, 5678, 6680, 7096, 8870, 11356, 13360, 14192, 14195, 15079, 17740, 22712, 28390, 30158, 35480, 45424, 56780, 60316, 70960, 75395, 113560, 120632, 148129, 150790, 227120, 241264, 296258, 301580, 592516, 603160, 740645, 1185032, 1206320, 1481290, 2370064, 2518193, 2962580, 5036386, 5925160, 10072772, 11850320, 12590965, 20145544, 25181930, 40291088, 50363860, 100727720, 201455440]

約数ペア:

[(1, 201455440), (2, 100727720), (4, 50363860), (5, 40291088), (8, 25181930), (10, 20145544), (16, 12590965), (17, 11850320), (20, 10072772), (34, 5925160), (40, 5036386), (68, 2962580), (80, 2518193), (85, 2370064), (136, 1481290), (167, 1206320), (170, 1185032), (272, 740645), (334, 603160), (340, 592516), (668, 301580), (680, 296258), (835, 241264), (887, 227120), (1336, 150790), (1360, 148129), (1670, 120632), (1774, 113560), (2672, 75395), (2839, 70960), (3340, 60316), (3548, 56780), (4435, 45424), (5678, 35480), (6680, 30158), (7096, 28390), (8870, 22712), (11356, 17740), (13360, 15079), (14192, 14195)]