977189980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 2287668096

約数和(自身を除く): 1310478116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 157, 185, 260, 314, 370, 481, 628, 647, 740, 785, 962, 1294, 1570, 1924, 2041, 2405, 2588, 3140, 3235, 4082, 4810, 5809, 6470, 8164, 8411, 9620, 10205, 11618, 12940, 16822, 20410, 23236, 23939, 29045, 33644, 40820, 42055, 47878, 58090, 75517, 84110, 95756, 101579, 116180, 119695, 151034, 168220, 203158, 239390, 302068, 311207, 377585, 406316, 478780, 507895, 622414, 755170, 1015790, 1244828, 1320527, 1510340, 1556035, 2031580, 2641054, 3112070, 3758423, 5282108, 6224140, 6602635, 7516846, 13205270, 15033692, 18792115, 26410540, 37584230, 48859499, 75168460, 97718998, 195437996, 244297495, 488594990, 977189980]

約数ペア:

[(1, 977189980), (2, 488594990), (4, 244297495), (5, 195437996), (10, 97718998), (13, 75168460), (20, 48859499), (26, 37584230), (37, 26410540), (52, 18792115), (65, 15033692), (74, 13205270), (130, 7516846), (148, 6602635), (157, 6224140), (185, 5282108), (260, 3758423), (314, 3112070), (370, 2641054), (481, 2031580), (628, 1556035), (647, 1510340), (740, 1320527), (785, 1244828), (962, 1015790), (1294, 755170), (1570, 622414), (1924, 507895), (2041, 478780), (2405, 406316), (2588, 377585), (3140, 311207), (3235, 302068), (4082, 239390), (4810, 203158), (5809, 168220), (6470, 151034), (8164, 119695), (8411, 116180), (9620, 101579), (10205, 95756), (11618, 84110), (12940, 75517), (16822, 58090), (20410, 47878), (23236, 42055), (23939, 40820), (29045, 33644)]