2477930

素因数分解:

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

素因数の和:423

約数の個数: 48

約数和(自身を含む): 5601960

約数和(自身を除く): 3124030

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 389, 455, 490, 637, 778, 910, 1274, 1945, 2723, 3185, 3890, 5057, 5446, 6370, 10114, 13615, 19061, 25285, 27230, 35399, 38122, 50570, 70798, 95305, 176995, 190610, 247793, 353990, 495586, 1238965, 2477930]

約数ペア:

[(1, 2477930), (2, 1238965), (5, 495586), (7, 353990), (10, 247793), (13, 190610), (14, 176995), (26, 95305), (35, 70798), (49, 50570), (65, 38122), (70, 35399), (91, 27230), (98, 25285), (130, 19061), (182, 13615), (245, 10114), (389, 6370), (455, 5446), (490, 5057), (637, 3890), (778, 3185), (910, 2723), (1274, 1945)]