202151930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 403107840

約数和(自身を除く): 200955910

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 89, 155, 170, 178, 310, 431, 445, 527, 862, 890, 1054, 1513, 2155, 2635, 2759, 3026, 4310, 5270, 5518, 7327, 7565, 13361, 13795, 14654, 15130, 26722, 27590, 36635, 38359, 46903, 66805, 73270, 76718, 93806, 133610, 191795, 227137, 234515, 383590, 454274, 469030, 652103, 1135685, 1189129, 1304206, 2271370, 2378258, 3260515, 5945645, 6521030, 11891290, 20215193, 40430386, 101075965, 202151930]

約数ペア:

[(1, 202151930), (2, 101075965), (5, 40430386), (10, 20215193), (17, 11891290), (31, 6521030), (34, 5945645), (62, 3260515), (85, 2378258), (89, 2271370), (155, 1304206), (170, 1189129), (178, 1135685), (310, 652103), (431, 469030), (445, 454274), (527, 383590), (862, 234515), (890, 227137), (1054, 191795), (1513, 133610), (2155, 93806), (2635, 76718), (2759, 73270), (3026, 66805), (4310, 46903), (5270, 38359), (5518, 36635), (7327, 27590), (7565, 26722), (13361, 15130), (13795, 14654)]