42111440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 112909440

約数和(自身を除く): 70798000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 541, 556, 560, 695, 973, 1082, 1112, 1390, 1946, 2164, 2224, 2705, 2780, 3787, 3892, 4328, 4865, 5410, 5560, 7574, 7784, 8656, 9730, 10820, 11120, 15148, 15568, 18935, 19460, 21640, 30296, 37870, 38920, 43280, 60592, 75199, 75740, 77840, 150398, 151480, 300796, 302960, 375995, 526393, 601592, 751990, 1052786, 1203184, 1503980, 2105572, 2631965, 3007960, 4211144, 5263930, 6015920, 8422288, 10527860, 21055720, 42111440]

約数ペア:

[(1, 42111440), (2, 21055720), (4, 10527860), (5, 8422288), (7, 6015920), (8, 5263930), (10, 4211144), (14, 3007960), (16, 2631965), (20, 2105572), (28, 1503980), (35, 1203184), (40, 1052786), (56, 751990), (70, 601592), (80, 526393), (112, 375995), (139, 302960), (140, 300796), (278, 151480), (280, 150398), (541, 77840), (556, 75740), (560, 75199), (695, 60592), (973, 43280), (1082, 38920), (1112, 37870), (1390, 30296), (1946, 21640), (2164, 19460), (2224, 18935), (2705, 15568), (2780, 15148), (3787, 11120), (3892, 10820), (4328, 9730), (4865, 8656), (5410, 7784), (5560, 7574)]