178675090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 368064000

約数和(自身を除く): 189388910

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 79, 110, 145, 158, 290, 319, 395, 638, 709, 790, 869, 1418, 1595, 1738, 2291, 3190, 3545, 4345, 4582, 7090, 7799, 8690, 11455, 15598, 20561, 22910, 25201, 38995, 41122, 50402, 56011, 77990, 102805, 112022, 126005, 205610, 226171, 252010, 280055, 452342, 560110, 616121, 1130855, 1232242, 1624319, 2261710, 3080605, 3248638, 6161210, 8121595, 16243190, 17867509, 35735018, 89337545, 178675090]

約数ペア:

[(1, 178675090), (2, 89337545), (5, 35735018), (10, 17867509), (11, 16243190), (22, 8121595), (29, 6161210), (55, 3248638), (58, 3080605), (79, 2261710), (110, 1624319), (145, 1232242), (158, 1130855), (290, 616121), (319, 560110), (395, 452342), (638, 280055), (709, 252010), (790, 226171), (869, 205610), (1418, 126005), (1595, 112022), (1738, 102805), (2291, 77990), (3190, 56011), (3545, 50402), (4345, 41122), (4582, 38995), (7090, 25201), (7799, 22910), (8690, 20561), (11455, 15598)]