199869280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 511799904

約数和(自身を除く): 311930624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 307, 313, 416, 520, 614, 626, 1040, 1228, 1252, 1535, 1565, 2080, 2456, 2504, 3070, 3130, 3991, 4069, 4912, 5008, 6140, 6260, 7982, 8138, 9824, 10016, 12280, 12520, 15964, 16276, 19955, 20345, 24560, 25040, 31928, 32552, 39910, 40690, 49120, 50080, 63856, 65104, 79820, 81380, 96091, 127712, 130208, 159640, 162760, 192182, 319280, 325520, 384364, 480455, 638560, 651040, 768728, 960910, 1249183, 1537456, 1921820, 2498366, 3074912, 3843640, 4996732, 6245915, 7687280, 9993464, 12491830, 15374560, 19986928, 24983660, 39973856, 49967320, 99934640, 199869280]

約数ペア:

[(1, 199869280), (2, 99934640), (4, 49967320), (5, 39973856), (8, 24983660), (10, 19986928), (13, 15374560), (16, 12491830), (20, 9993464), (26, 7687280), (32, 6245915), (40, 4996732), (52, 3843640), (65, 3074912), (80, 2498366), (104, 1921820), (130, 1537456), (160, 1249183), (208, 960910), (260, 768728), (307, 651040), (313, 638560), (416, 480455), (520, 384364), (614, 325520), (626, 319280), (1040, 192182), (1228, 162760), (1252, 159640), (1535, 130208), (1565, 127712), (2080, 96091), (2456, 81380), (2504, 79820), (3070, 65104), (3130, 63856), (3991, 50080), (4069, 49120), (4912, 40690), (5008, 39910), (6140, 32552), (6260, 31928), (7982, 25040), (8138, 24560), (9824, 20345), (10016, 19955), (12280, 16276), (12520, 15964)]