2017568140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{967}}^1\times {\mathrm{2129}}^1$

素因数の和:3119

約数の個数: 72

約数和(自身を含む): 4936044960

約数和(自身を除く): 2918476820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 967, 980, 1934, 2129, 3868, 4258, 4835, 6769, 8516, 9670, 10645, 13538, 14903, 19340, 21290, 27076, 29806, 33845, 42580, 47383, 59612, 67690, 74515, 94766, 104321, 135380, 149030, 189532, 208642, 236915, 298060, 417284, 473830, 521605, 947660, 1043210, 2058743, 2086420, 4117486, 8234972, 10293715, 14411201, 20587430, 28822402, 41174860, 57644804, 72056005, 100878407, 144112010, 201756814, 288224020, 403513628, 504392035, 1008784070, 2017568140]

約数ペア:

[(1, 2017568140), (2, 1008784070), (4, 504392035), (5, 403513628), (7, 288224020), (10, 201756814), (14, 144112010), (20, 100878407), (28, 72056005), (35, 57644804), (49, 41174860), (70, 28822402), (98, 20587430), (140, 14411201), (196, 10293715), (245, 8234972), (490, 4117486), (967, 2086420), (980, 2058743), (1934, 1043210), (2129, 947660), (3868, 521605), (4258, 473830), (4835, 417284), (6769, 298060), (8516, 236915), (9670, 208642), (10645, 189532), (13538, 149030), (14903, 135380), (19340, 104321), (21290, 94766), (27076, 74515), (29806, 67690), (33845, 59612), (42580, 47383)]