219045820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 536778144

約数和(自身を除く): 317732324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 557, 742, 1060, 1114, 1484, 1855, 2228, 2785, 2809, 3710, 3899, 5570, 5618, 7420, 7798, 11140, 11236, 14045, 15596, 19495, 19663, 28090, 29521, 38990, 39326, 56180, 59042, 77980, 78652, 98315, 118084, 147605, 196630, 206647, 295210, 393260, 413294, 590420, 826588, 1033235, 1564613, 2066470, 3129226, 4132940, 6258452, 7823065, 10952291, 15646130, 21904582, 31292260, 43809164, 54761455, 109522910, 219045820]

約数ペア:

[(1, 219045820), (2, 109522910), (4, 54761455), (5, 43809164), (7, 31292260), (10, 21904582), (14, 15646130), (20, 10952291), (28, 7823065), (35, 6258452), (53, 4132940), (70, 3129226), (106, 2066470), (140, 1564613), (212, 1033235), (265, 826588), (371, 590420), (530, 413294), (557, 393260), (742, 295210), (1060, 206647), (1114, 196630), (1484, 147605), (1855, 118084), (2228, 98315), (2785, 78652), (2809, 77980), (3710, 59042), (3899, 56180), (5570, 39326), (5618, 38990), (7420, 29521), (7798, 28090), (11140, 19663), (11236, 19495), (14045, 15596)]