208953640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 597542400

約数和(自身を除く): 388588760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 49, 56, 62, 70, 76, 95, 98, 124, 133, 140, 152, 155, 181, 190, 196, 217, 245, 248, 266, 280, 310, 362, 380, 392, 434, 490, 532, 589, 620, 665, 724, 760, 868, 905, 931, 980, 1064, 1085, 1178, 1240, 1267, 1330, 1448, 1519, 1736, 1810, 1862, 1960, 2170, 2356, 2534, 2660, 2945, 3038, 3439, 3620, 3724, 4123, 4340, 4655, 4712, 5068, 5320, 5611, 5890, 6076, 6335, 6878, 7240, 7448, 7595, 8246, 8680, 8869, 9310, 10136, 11222, 11780, 12152, 12670, 13756, 15190, 16492, 17195, 17738, 18620, 20615, 22444, 23560, 24073, 25340, 27512, 28055, 28861, 30380, 32984, 34390, 35476, 37240, 39277, 41230, 44345, 44888, 48146, 50680, 56110, 57722, 60760, 68780, 70952, 78554, 82460, 88690, 96292, 106609, 112220, 115444, 120365, 137560, 144305, 157108, 164920, 168511, 177380, 192584, 196385, 213218, 224440, 230888, 240730, 274939, 288610, 314216, 337022, 354760, 392770, 426436, 481460, 533045, 549878, 577220, 674044, 746263, 785540, 842555, 852872, 962920, 1066090, 1099756, 1154440, 1348088, 1374695, 1492526, 1571080, 1685110, 2132180, 2199512, 2749390, 2985052, 3370220, 3731315, 4264360, 5223841, 5498780, 5970104, 6740440, 7462630, 10447682, 10997560, 14925260, 20895364, 26119205, 29850520, 41790728, 52238410, 104476820, 208953640]

約数ペア:

[(1, 208953640), (2, 104476820), (4, 52238410), (5, 41790728), (7, 29850520), (8, 26119205), (10, 20895364), (14, 14925260), (19, 10997560), (20, 10447682), (28, 7462630), (31, 6740440), (35, 5970104), (38, 5498780), (40, 5223841), (49, 4264360), (56, 3731315), (62, 3370220), (70, 2985052), (76, 2749390), (95, 2199512), (98, 2132180), (124, 1685110), (133, 1571080), (140, 1492526), (152, 1374695), (155, 1348088), (181, 1154440), (190, 1099756), (196, 1066090), (217, 962920), (245, 852872), (248, 842555), (266, 785540), (280, 746263), (310, 674044), (362, 577220), (380, 549878), (392, 533045), (434, 481460), (490, 426436), (532, 392770), (589, 354760), (620, 337022), (665, 314216), (724, 288610), (760, 274939), (868, 240730), (905, 230888), (931, 224440), (980, 213218), (1064, 196385), (1085, 192584), (1178, 177380), (1240, 168511), (1267, 164920), (1330, 157108), (1448, 144305), (1519, 137560), (1736, 120365), (1810, 115444), (1862, 112220), (1960, 106609), (2170, 96292), (2356, 88690), (2534, 82460), (2660, 78554), (2945, 70952), (3038, 68780), (3439, 60760), (3620, 57722), (3724, 56110), (4123, 50680), (4340, 48146), (4655, 44888), (4712, 44345), (5068, 41230), (5320, 39277), (5611, 37240), (5890, 35476), (6076, 34390), (6335, 32984), (6878, 30380), (7240, 28861), (7448, 28055), (7595, 27512), (8246, 25340), (8680, 24073), (8869, 23560), (9310, 22444), (10136, 20615), (11222, 18620), (11780, 17738), (12152, 17195), (12670, 16492), (13756, 15190)]