4009450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 8135640

約数和(自身を除く): 4126190

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 89, 106, 170, 178, 265, 425, 445, 530, 850, 890, 901, 1325, 1513, 1802, 2225, 2650, 3026, 4450, 4505, 4717, 7565, 9010, 9434, 15130, 22525, 23585, 37825, 45050, 47170, 75650, 80189, 117925, 160378, 235850, 400945, 801890, 2004725, 4009450]

約数ペア:

[(1, 4009450), (2, 2004725), (5, 801890), (10, 400945), (17, 235850), (25, 160378), (34, 117925), (50, 80189), (53, 75650), (85, 47170), (89, 45050), (106, 37825), (170, 23585), (178, 22525), (265, 15130), (425, 9434), (445, 9010), (530, 7565), (850, 4717), (890, 4505), (901, 4450), (1325, 3026), (1513, 2650), (1802, 2225)]