4955860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 13071240

約数和(自身を除く): 8115380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 389, 455, 490, 637, 778, 910, 980, 1274, 1556, 1820, 1945, 2548, 2723, 3185, 3890, 5057, 5446, 6370, 7780, 10114, 10892, 12740, 13615, 19061, 20228, 25285, 27230, 35399, 38122, 50570, 54460, 70798, 76244, 95305, 101140, 141596, 176995, 190610, 247793, 353990, 381220, 495586, 707980, 991172, 1238965, 2477930, 4955860]

約数ペア:

[(1, 4955860), (2, 2477930), (4, 1238965), (5, 991172), (7, 707980), (10, 495586), (13, 381220), (14, 353990), (20, 247793), (26, 190610), (28, 176995), (35, 141596), (49, 101140), (52, 95305), (65, 76244), (70, 70798), (91, 54460), (98, 50570), (130, 38122), (140, 35399), (182, 27230), (196, 25285), (245, 20228), (260, 19061), (364, 13615), (389, 12740), (455, 10892), (490, 10114), (637, 7780), (778, 6370), (910, 5446), (980, 5057), (1274, 3890), (1556, 3185), (1820, 2723), (1945, 2548)]