2019928540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{4513}}^1$

素因数の和:4691

約数の個数: 96

約数和(自身を含む): 5096125440

約数和(自身を除く): 3076196900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 139, 140, 161, 230, 278, 322, 460, 556, 644, 695, 805, 973, 1390, 1610, 1946, 2780, 3197, 3220, 3892, 4513, 4865, 6394, 9026, 9730, 12788, 15985, 18052, 19460, 22379, 22565, 31591, 31970, 44758, 45130, 63182, 63940, 89516, 90260, 103799, 111895, 126364, 157955, 207598, 223790, 315910, 415196, 447580, 518995, 627307, 631820, 726593, 1037990, 1254614, 1453186, 2075980, 2509228, 2906372, 3136535, 3632965, 4391149, 6273070, 7265930, 8782298, 12546140, 14428061, 14531860, 17564596, 21955745, 28856122, 43911490, 57712244, 72140305, 87822980, 100996427, 144280610, 201992854, 288561220, 403985708, 504982135, 1009964270, 2019928540]

約数ペア:

[(1, 2019928540), (2, 1009964270), (4, 504982135), (5, 403985708), (7, 288561220), (10, 201992854), (14, 144280610), (20, 100996427), (23, 87822980), (28, 72140305), (35, 57712244), (46, 43911490), (70, 28856122), (92, 21955745), (115, 17564596), (139, 14531860), (140, 14428061), (161, 12546140), (230, 8782298), (278, 7265930), (322, 6273070), (460, 4391149), (556, 3632965), (644, 3136535), (695, 2906372), (805, 2509228), (973, 2075980), (1390, 1453186), (1610, 1254614), (1946, 1037990), (2780, 726593), (3197, 631820), (3220, 627307), (3892, 518995), (4513, 447580), (4865, 415196), (6394, 315910), (9026, 223790), (9730, 207598), (12788, 157955), (15985, 126364), (18052, 111895), (19460, 103799), (22379, 90260), (22565, 89516), (31591, 63940), (31970, 63182), (44758, 45130)]