355702990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 702535680

約数和(自身を除く): 346832690

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 131, 155, 190, 262, 310, 461, 589, 655, 922, 1178, 1310, 2305, 2489, 2945, 4061, 4610, 4978, 5890, 8122, 8759, 12445, 14291, 17518, 20305, 24890, 28582, 40610, 43795, 60391, 71455, 77159, 87590, 120782, 142910, 154318, 271529, 301955, 385795, 543058, 603910, 771590, 1147429, 1357645, 1872121, 2294858, 2715290, 3744242, 5737145, 9360605, 11474290, 18721210, 35570299, 71140598, 177851495, 355702990]

約数ペア:

[(1, 355702990), (2, 177851495), (5, 71140598), (10, 35570299), (19, 18721210), (31, 11474290), (38, 9360605), (62, 5737145), (95, 3744242), (131, 2715290), (155, 2294858), (190, 1872121), (262, 1357645), (310, 1147429), (461, 771590), (589, 603910), (655, 543058), (922, 385795), (1178, 301955), (1310, 271529), (2305, 154318), (2489, 142910), (2945, 120782), (4061, 87590), (4610, 77159), (4978, 71455), (5890, 60391), (8122, 43795), (8759, 40610), (12445, 28582), (14291, 24890), (17518, 20305)]