201888920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 468115200

約数和(自身を除く): 266226280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 257, 328, 410, 479, 514, 820, 958, 1028, 1285, 1640, 1916, 2056, 2395, 2570, 3832, 4790, 5140, 9580, 10280, 10537, 19160, 19639, 21074, 39278, 42148, 52685, 78556, 84296, 98195, 105370, 123103, 157112, 196390, 210740, 246206, 392780, 421480, 492412, 615515, 785560, 984824, 1231030, 2462060, 4924120, 5047223, 10094446, 20188892, 25236115, 40377784, 50472230, 100944460, 201888920]

約数ペア:

[(1, 201888920), (2, 100944460), (4, 50472230), (5, 40377784), (8, 25236115), (10, 20188892), (20, 10094446), (40, 5047223), (41, 4924120), (82, 2462060), (164, 1231030), (205, 984824), (257, 785560), (328, 615515), (410, 492412), (479, 421480), (514, 392780), (820, 246206), (958, 210740), (1028, 196390), (1285, 157112), (1640, 123103), (1916, 105370), (2056, 98195), (2395, 84296), (2570, 78556), (3832, 52685), (4790, 42148), (5140, 39278), (9580, 21074), (10280, 19639), (10537, 19160)]