387155860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{30389}}^1$

素因数の和:30425

約数の個数: 72

約数和(自身を含む): 1018551240

約数和(自身を除く): 631395380

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, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 30389, 60778, 121556, 151945, 212723, 303890, 395057, 425446, 607780, 790114, 850892, 1063615, 1489061, 1580228, 1975285, 2127230, 2765399, 2978122, 3950570, 4254460, 5530798, 5956244, 7445305, 7901140, 11061596, 13826995, 14890610, 19357793, 27653990, 29781220, 38715586, 55307980, 77431172, 96788965, 193577930, 387155860]

約数ペア:

[(1, 387155860), (2, 193577930), (4, 96788965), (5, 77431172), (7, 55307980), (10, 38715586), (13, 29781220), (14, 27653990), (20, 19357793), (26, 14890610), (28, 13826995), (35, 11061596), (49, 7901140), (52, 7445305), (65, 5956244), (70, 5530798), (91, 4254460), (98, 3950570), (130, 2978122), (140, 2765399), (182, 2127230), (196, 1975285), (245, 1580228), (260, 1489061), (364, 1063615), (455, 850892), (490, 790114), (637, 607780), (910, 425446), (980, 395057), (1274, 303890), (1820, 212723), (2548, 151945), (3185, 121556), (6370, 60778), (12740, 30389)]