218328040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25153}}^1$

素因数の和:25202

約数の個数: 64

約数和(自身を含む): 579548160

約数和(自身を除く): 361220120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 25153, 50306, 100612, 125765, 176071, 201224, 251530, 352142, 503060, 704284, 779743, 880355, 1006120, 1408568, 1559486, 1760710, 3118972, 3521420, 3898715, 5458201, 6237944, 7042840, 7797430, 10916402, 15594860, 21832804, 27291005, 31189720, 43665608, 54582010, 109164020, 218328040]

約数ペア:

[(1, 218328040), (2, 109164020), (4, 54582010), (5, 43665608), (7, 31189720), (8, 27291005), (10, 21832804), (14, 15594860), (20, 10916402), (28, 7797430), (31, 7042840), (35, 6237944), (40, 5458201), (56, 3898715), (62, 3521420), (70, 3118972), (124, 1760710), (140, 1559486), (155, 1408568), (217, 1006120), (248, 880355), (280, 779743), (310, 704284), (434, 503060), (620, 352142), (868, 251530), (1085, 201224), (1240, 176071), (1736, 125765), (2170, 100612), (4340, 50306), (8680, 25153)]