238391860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 645120000

約数和(自身を除く): 406728140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 59, 62, 70, 76, 95, 98, 118, 124, 133, 140, 155, 190, 196, 217, 236, 245, 266, 295, 310, 343, 380, 413, 434, 490, 532, 589, 590, 620, 665, 686, 826, 868, 931, 980, 1085, 1121, 1178, 1180, 1330, 1372, 1519, 1652, 1715, 1829, 1862, 2065, 2170, 2242, 2356, 2660, 2891, 2945, 3038, 3430, 3658, 3724, 4123, 4130, 4340, 4484, 4655, 5605, 5782, 5890, 6076, 6517, 6860, 7316, 7595, 7847, 8246, 8260, 9145, 9310, 10633, 11210, 11564, 11780, 12803, 13034, 14455, 15190, 15694, 16492, 18290, 18620, 20237, 20615, 21266, 22420, 25606, 26068, 28861, 28910, 30380, 31388, 32585, 34751, 36580, 39235, 40474, 41230, 42532, 51212, 53165, 54929, 57722, 57820, 64015, 65170, 69502, 78470, 80948, 82460, 89621, 101185, 106330, 109858, 115444, 128030, 130340, 139004, 144305, 156940, 173755, 179242, 202027, 202370, 212660, 219716, 243257, 256060, 274645, 288610, 347510, 358484, 384503, 404054, 404740, 448105, 486514, 549290, 577220, 627347, 695020, 769006, 808108, 896210, 973028, 1010135, 1098580, 1216285, 1254694, 1538012, 1702799, 1792420, 1922515, 2020270, 2432570, 2509388, 3136735, 3405598, 3845030, 4040540, 4865140, 6273470, 6811196, 7690060, 8513995, 11919593, 12546940, 17027990, 23839186, 34055980, 47678372, 59597965, 119195930, 238391860]

約数ペア:

[(1, 238391860), (2, 119195930), (4, 59597965), (5, 47678372), (7, 34055980), (10, 23839186), (14, 17027990), (19, 12546940), (20, 11919593), (28, 8513995), (31, 7690060), (35, 6811196), (38, 6273470), (49, 4865140), (59, 4040540), (62, 3845030), (70, 3405598), (76, 3136735), (95, 2509388), (98, 2432570), (118, 2020270), (124, 1922515), (133, 1792420), (140, 1702799), (155, 1538012), (190, 1254694), (196, 1216285), (217, 1098580), (236, 1010135), (245, 973028), (266, 896210), (295, 808108), (310, 769006), (343, 695020), (380, 627347), (413, 577220), (434, 549290), (490, 486514), (532, 448105), (589, 404740), (590, 404054), (620, 384503), (665, 358484), (686, 347510), (826, 288610), (868, 274645), (931, 256060), (980, 243257), (1085, 219716), (1121, 212660), (1178, 202370), (1180, 202027), (1330, 179242), (1372, 173755), (1519, 156940), (1652, 144305), (1715, 139004), (1829, 130340), (1862, 128030), (2065, 115444), (2170, 109858), (2242, 106330), (2356, 101185), (2660, 89621), (2891, 82460), (2945, 80948), (3038, 78470), (3430, 69502), (3658, 65170), (3724, 64015), (4123, 57820), (4130, 57722), (4340, 54929), (4484, 53165), (4655, 51212), (5605, 42532), (5782, 41230), (5890, 40474), (6076, 39235), (6517, 36580), (6860, 34751), (7316, 32585), (7595, 31388), (7847, 30380), (8246, 28910), (8260, 28861), (9145, 26068), (9310, 25606), (10633, 22420), (11210, 21266), (11564, 20615), (11780, 20237), (12803, 18620), (13034, 18290), (14455, 16492), (15190, 15694)]