2002285408040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4447}}^1\times {\mathrm{57139}}^1$

素因数の和:61794

約数の個数: 64

約数和(自身を含む): 4529108390400

約数和(自身を除く): 2526822982360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4447, 7880, 8894, 17788, 22235, 35576, 44470, 57139, 88940, 114278, 177880, 228556, 285695, 457112, 571390, 876059, 1142780, 1752118, 2285560, 3504236, 4380295, 7008472, 8760590, 11256383, 17521180, 22512766, 35042360, 45025532, 56281915, 90051064, 112563830, 225127660, 254097133, 450255320, 508194266, 1016388532, 1270485665, 2032777064, 2540971330, 5081942660, 10163885320, 50057135201, 100114270402, 200228540804, 250285676005, 400457081608, 500571352010, 1001142704020, 2002285408040]

約数ペア:

[(1, 2002285408040), (2, 1001142704020), (4, 500571352010), (5, 400457081608), (8, 250285676005), (10, 200228540804), (20, 100114270402), (40, 50057135201), (197, 10163885320), (394, 5081942660), (788, 2540971330), (985, 2032777064), (1576, 1270485665), (1970, 1016388532), (3940, 508194266), (4447, 450255320), (7880, 254097133), (8894, 225127660), (17788, 112563830), (22235, 90051064), (35576, 56281915), (44470, 45025532), (57139, 35042360), (88940, 22512766), (114278, 17521180), (177880, 11256383), (228556, 8760590), (285695, 7008472), (457112, 4380295), (571390, 3504236), (876059, 2285560), (1142780, 1752118)]