2019739900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:764

約数の個数: 144

約数和(自身を含む): 4859688960

約数和(自身を除く): 2839949060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 53, 62, 76, 95, 100, 106, 124, 155, 190, 212, 265, 310, 380, 475, 530, 589, 620, 647, 775, 950, 1007, 1060, 1178, 1294, 1325, 1550, 1643, 1900, 2014, 2356, 2588, 2650, 2945, 3100, 3235, 3286, 4028, 5035, 5300, 5890, 6470, 6572, 8215, 10070, 11780, 12293, 12940, 14725, 16175, 16430, 20057, 20140, 24586, 25175, 29450, 31217, 32350, 32860, 34291, 40114, 41075, 49172, 50350, 58900, 61465, 62434, 64700, 68582, 80228, 82150, 100285, 100700, 122930, 124868, 137164, 156085, 164300, 171455, 200570, 245860, 307325, 312170, 342910, 381083, 401140, 501425, 614650, 624340, 651529, 685820, 762166, 780425, 857275, 1002850, 1063021, 1229300, 1303058, 1524332, 1560850, 1714550, 1905415, 2005700, 2126042, 2606116, 3121700, 3257645, 3429100, 3810830, 4252084, 5315105, 6515290, 7621660, 9527075, 10630210, 13030580, 16288225, 19054150, 20197399, 21260420, 26575525, 32576450, 38108300, 40394798, 53151050, 65152900, 80789596, 100986995, 106302100, 201973990, 403947980, 504934975, 1009869950, 2019739900]

約数ペア:

[(1, 2019739900), (2, 1009869950), (4, 504934975), (5, 403947980), (10, 201973990), (19, 106302100), (20, 100986995), (25, 80789596), (31, 65152900), (38, 53151050), (50, 40394798), (53, 38108300), (62, 32576450), (76, 26575525), (95, 21260420), (100, 20197399), (106, 19054150), (124, 16288225), (155, 13030580), (190, 10630210), (212, 9527075), (265, 7621660), (310, 6515290), (380, 5315105), (475, 4252084), (530, 3810830), (589, 3429100), (620, 3257645), (647, 3121700), (775, 2606116), (950, 2126042), (1007, 2005700), (1060, 1905415), (1178, 1714550), (1294, 1560850), (1325, 1524332), (1550, 1303058), (1643, 1229300), (1900, 1063021), (2014, 1002850), (2356, 857275), (2588, 780425), (2650, 762166), (2945, 685820), (3100, 651529), (3235, 624340), (3286, 614650), (4028, 501425), (5035, 401140), (5300, 381083), (5890, 342910), (6470, 312170), (6572, 307325), (8215, 245860), (10070, 200570), (11780, 171455), (12293, 164300), (12940, 156085), (14725, 137164), (16175, 124868), (16430, 122930), (20057, 100700), (20140, 100285), (24586, 82150), (25175, 80228), (29450, 68582), (31217, 64700), (32350, 62434), (32860, 61465), (34291, 58900), (40114, 50350), (41075, 49172)]