311345020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 144

約数和(自身を含む): 836559360

約数和(自身を除く): 525214340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 92, 95, 98, 115, 133, 140, 161, 190, 196, 230, 245, 266, 322, 380, 437, 460, 490, 532, 644, 665, 727, 805, 874, 931, 980, 1127, 1330, 1454, 1610, 1748, 1862, 2185, 2254, 2660, 2908, 3059, 3220, 3635, 3724, 4370, 4508, 4655, 5089, 5635, 6118, 7270, 8740, 9310, 10178, 11270, 12236, 13813, 14540, 15295, 16721, 18620, 20356, 21413, 22540, 25445, 27626, 30590, 33442, 35623, 42826, 50890, 55252, 61180, 66884, 69065, 71246, 83605, 85652, 96691, 101780, 107065, 117047, 138130, 142492, 167210, 178115, 193382, 214130, 234094, 276260, 317699, 334420, 356230, 386764, 428260, 468188, 483455, 585235, 635398, 676837, 712460, 819329, 966910, 1170470, 1270796, 1353674, 1588495, 1638658, 1933820, 2223893, 2340940, 2707348, 3176990, 3277316, 3384185, 4096645, 4447786, 6353980, 6768370, 8193290, 8895572, 11119465, 13536740, 15567251, 16386580, 22238930, 31134502, 44477860, 62269004, 77836255, 155672510, 311345020]

約数ペア:

[(1, 311345020), (2, 155672510), (4, 77836255), (5, 62269004), (7, 44477860), (10, 31134502), (14, 22238930), (19, 16386580), (20, 15567251), (23, 13536740), (28, 11119465), (35, 8895572), (38, 8193290), (46, 6768370), (49, 6353980), (70, 4447786), (76, 4096645), (92, 3384185), (95, 3277316), (98, 3176990), (115, 2707348), (133, 2340940), (140, 2223893), (161, 1933820), (190, 1638658), (196, 1588495), (230, 1353674), (245, 1270796), (266, 1170470), (322, 966910), (380, 819329), (437, 712460), (460, 676837), (490, 635398), (532, 585235), (644, 483455), (665, 468188), (727, 428260), (805, 386764), (874, 356230), (931, 334420), (980, 317699), (1127, 276260), (1330, 234094), (1454, 214130), (1610, 193382), (1748, 178115), (1862, 167210), (2185, 142492), (2254, 138130), (2660, 117047), (2908, 107065), (3059, 101780), (3220, 96691), (3635, 85652), (3724, 83605), (4370, 71246), (4508, 69065), (4655, 66884), (5089, 61180), (5635, 55252), (6118, 50890), (7270, 42826), (8740, 35623), (9310, 33442), (10178, 30590), (11270, 27626), (12236, 25445), (13813, 22540), (14540, 21413), (15295, 20356), (16721, 18620)]