205380390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 503304192

約数和(自身を除く): 297923802

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 191, 219, 365, 382, 438, 491, 573, 730, 955, 982, 1095, 1146, 1473, 1910, 2190, 2455, 2865, 2946, 4910, 5730, 7365, 13943, 14730, 27886, 35843, 41829, 69715, 71686, 83658, 93781, 107529, 139430, 179215, 187562, 209145, 215058, 281343, 358430, 418290, 468905, 537645, 562686, 937810, 1075290, 1406715, 2813430, 6846013, 13692026, 20538039, 34230065, 41076078, 68460130, 102690195, 205380390]

約数ペア:

[(1, 205380390), (2, 102690195), (3, 68460130), (5, 41076078), (6, 34230065), (10, 20538039), (15, 13692026), (30, 6846013), (73, 2813430), (146, 1406715), (191, 1075290), (219, 937810), (365, 562686), (382, 537645), (438, 468905), (491, 418290), (573, 358430), (730, 281343), (955, 215058), (982, 209145), (1095, 187562), (1146, 179215), (1473, 139430), (1910, 107529), (2190, 93781), (2455, 83658), (2865, 71686), (2946, 69715), (4910, 41829), (5730, 35843), (7365, 27886), (13943, 14730)]