199995140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 475009920

約数和(自身を除く): 275014780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 83, 85, 95, 166, 170, 190, 323, 332, 340, 373, 380, 415, 646, 746, 830, 1292, 1411, 1492, 1577, 1615, 1660, 1865, 2822, 3154, 3230, 3730, 5644, 6308, 6341, 6460, 7055, 7087, 7460, 7885, 12682, 14110, 14174, 15770, 25364, 26809, 28220, 28348, 30959, 31540, 31705, 35435, 53618, 61918, 63410, 70870, 107236, 120479, 123836, 126820, 134045, 141740, 154795, 240958, 268090, 309590, 481916, 526303, 536180, 588221, 602395, 619180, 1052606, 1176442, 1204790, 2105212, 2352884, 2409580, 2631515, 2941105, 5263030, 5882210, 9999757, 10526060, 11764420, 19999514, 39999028, 49998785, 99997570, 199995140]

約数ペア:

[(1, 199995140), (2, 99997570), (4, 49998785), (5, 39999028), (10, 19999514), (17, 11764420), (19, 10526060), (20, 9999757), (34, 5882210), (38, 5263030), (68, 2941105), (76, 2631515), (83, 2409580), (85, 2352884), (95, 2105212), (166, 1204790), (170, 1176442), (190, 1052606), (323, 619180), (332, 602395), (340, 588221), (373, 536180), (380, 526303), (415, 481916), (646, 309590), (746, 268090), (830, 240958), (1292, 154795), (1411, 141740), (1492, 134045), (1577, 126820), (1615, 123836), (1660, 120479), (1865, 107236), (2822, 70870), (3154, 63410), (3230, 61918), (3730, 53618), (5644, 35435), (6308, 31705), (6341, 31540), (6460, 30959), (7055, 28348), (7087, 28220), (7460, 26809), (7885, 25364), (12682, 15770), (14110, 14174)]