407029180

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 864995040

約数和(自身を除く): 457965860

約数列:

[1, 2, 4, 5, 10, 20, 181, 229, 362, 458, 491, 724, 905, 916, 982, 1145, 1810, 1964, 2290, 2455, 3620, 4580, 4910, 9820, 41449, 82898, 88871, 112439, 165796, 177742, 207245, 224878, 355484, 414490, 444355, 449756, 562195, 828980, 888710, 1124390, 1777420, 2248780, 20351459, 40702918, 81405836, 101757295, 203514590, 407029180]

約数ペア:

[(1, 407029180), (2, 203514590), (4, 101757295), (5, 81405836), (10, 40702918), (20, 20351459), (181, 2248780), (229, 1777420), (362, 1124390), (458, 888710), (491, 828980), (724, 562195), (905, 449756), (916, 444355), (982, 414490), (1145, 355484), (1810, 224878), (1964, 207245), (2290, 177742), (2455, 165796), (3620, 112439), (4580, 88871), (4910, 82898), (9820, 41449)]