1217503890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{67979}}^1$

素因数の和:68191

約数の個数: 48

約数和(自身を含む): 3181464000

約数和(自身を除く): 1963960110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1791, 1990, 2985, 3582, 5970, 8955, 17910, 67979, 135958, 203937, 339895, 407874, 611811, 679790, 1019685, 1223622, 2039370, 3059055, 6118110, 13527821, 27055642, 40583463, 67639105, 81166926, 121750389, 135278210, 202917315, 243500778, 405834630, 608751945, 1217503890]

約数ペア:

[(1, 1217503890), (2, 608751945), (3, 405834630), (5, 243500778), (6, 202917315), (9, 135278210), (10, 121750389), (15, 81166926), (18, 67639105), (30, 40583463), (45, 27055642), (90, 13527821), (199, 6118110), (398, 3059055), (597, 2039370), (995, 1223622), (1194, 1019685), (1791, 679790), (1990, 611811), (2985, 407874), (3582, 339895), (5970, 203937), (8955, 135958), (17910, 67979)]