209057940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12763}}^1$

素因数の和:12798

約数の個数: 144

約数和(自身を含む): 780544128

約数和(自身を除く): 571486188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12763, 16380, 25526, 38289, 51052, 63815, 76578, 89341, 114867, 127630, 153156, 165919, 178682, 191445, 229734, 255260, 268023, 331838, 357364, 382890, 446705, 459468, 497757, 536046, 574335, 663676, 765780, 804069, 829595, 893410, 995514, 1072092, 1148670, 1161433, 1340115, 1493271, 1608138, 1659190, 1786820, 1991028, 2297340, 2322866, 2488785, 2680230, 2986542, 3216276, 3318380, 3484299, 4020345, 4645732, 4977570, 5360460, 5807165, 5973084, 6968598, 7466355, 8040690, 9955140, 10452897, 11614330, 13937196, 14932710, 16081380, 17421495, 20905794, 23228660, 29865420, 34842990, 41811588, 52264485, 69685980, 104528970, 209057940]

約数ペア:

[(1, 209057940), (2, 104528970), (3, 69685980), (4, 52264485), (5, 41811588), (6, 34842990), (7, 29865420), (9, 23228660), (10, 20905794), (12, 17421495), (13, 16081380), (14, 14932710), (15, 13937196), (18, 11614330), (20, 10452897), (21, 9955140), (26, 8040690), (28, 7466355), (30, 6968598), (35, 5973084), (36, 5807165), (39, 5360460), (42, 4977570), (45, 4645732), (52, 4020345), (60, 3484299), (63, 3318380), (65, 3216276), (70, 2986542), (78, 2680230), (84, 2488785), (90, 2322866), (91, 2297340), (105, 1991028), (117, 1786820), (126, 1659190), (130, 1608138), (140, 1493271), (156, 1340115), (180, 1161433), (182, 1148670), (195, 1072092), (210, 995514), (234, 893410), (252, 829595), (260, 804069), (273, 765780), (315, 663676), (364, 574335), (390, 536046), (420, 497757), (455, 459468), (468, 446705), (546, 382890), (585, 357364), (630, 331838), (780, 268023), (819, 255260), (910, 229734), (1092, 191445), (1170, 178682), (1260, 165919), (1365, 153156), (1638, 127630), (1820, 114867), (2340, 89341), (2730, 76578), (3276, 63815), (4095, 51052), (5460, 38289), (8190, 25526), (12763, 16380)]