203758660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 542384640

約数和(自身を除く): 338625980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 353, 380, 434, 490, 532, 589, 620, 665, 706, 868, 931, 980, 1085, 1178, 1330, 1412, 1519, 1765, 1862, 2170, 2356, 2471, 2660, 2945, 3038, 3530, 3724, 4123, 4340, 4655, 4942, 5890, 6076, 6707, 7060, 7595, 8246, 9310, 9884, 10943, 11780, 12355, 13414, 15190, 16492, 17297, 18620, 20615, 21886, 24710, 26828, 28861, 30380, 33535, 34594, 41230, 43772, 46949, 49420, 54715, 57722, 67070, 69188, 76601, 82460, 86485, 93898, 109430, 115444, 134140, 144305, 153202, 172970, 187796, 207917, 218860, 234745, 288610, 306404, 328643, 345940, 383005, 415834, 469490, 536207, 577220, 657286, 766010, 831668, 938980, 1039585, 1072414, 1314572, 1455419, 1532020, 1643215, 2079170, 2144828, 2681035, 2910838, 3286430, 4158340, 5362070, 5821676, 6572860, 7277095, 10187933, 10724140, 14554190, 20375866, 29108380, 40751732, 50939665, 101879330, 203758660]

約数ペア:

[(1, 203758660), (2, 101879330), (4, 50939665), (5, 40751732), (7, 29108380), (10, 20375866), (14, 14554190), (19, 10724140), (20, 10187933), (28, 7277095), (31, 6572860), (35, 5821676), (38, 5362070), (49, 4158340), (62, 3286430), (70, 2910838), (76, 2681035), (95, 2144828), (98, 2079170), (124, 1643215), (133, 1532020), (140, 1455419), (155, 1314572), (190, 1072414), (196, 1039585), (217, 938980), (245, 831668), (266, 766010), (310, 657286), (353, 577220), (380, 536207), (434, 469490), (490, 415834), (532, 383005), (589, 345940), (620, 328643), (665, 306404), (706, 288610), (868, 234745), (931, 218860), (980, 207917), (1085, 187796), (1178, 172970), (1330, 153202), (1412, 144305), (1519, 134140), (1765, 115444), (1862, 109430), (2170, 93898), (2356, 86485), (2471, 82460), (2660, 76601), (2945, 69188), (3038, 67070), (3530, 57722), (3724, 54715), (4123, 49420), (4340, 46949), (4655, 43772), (4942, 41230), (5890, 34594), (6076, 33535), (6707, 30380), (7060, 28861), (7595, 26828), (8246, 24710), (9310, 21886), (9884, 20615), (10943, 18620), (11780, 17297), (12355, 16492), (13414, 15190)]