8504020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 22579200

約数和(自身を除く): 14075180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 139, 140, 161, 190, 230, 266, 278, 322, 380, 437, 460, 532, 556, 644, 665, 695, 805, 874, 973, 1330, 1390, 1610, 1748, 1946, 2185, 2641, 2660, 2780, 3059, 3197, 3220, 3892, 4370, 4865, 5282, 6118, 6394, 8740, 9730, 10564, 12236, 12788, 13205, 15295, 15985, 18487, 19460, 22379, 26410, 30590, 31970, 36974, 44758, 52820, 60743, 61180, 63940, 73948, 89516, 92435, 111895, 121486, 184870, 223790, 242972, 303715, 369740, 425201, 447580, 607430, 850402, 1214860, 1700804, 2126005, 4252010, 8504020]

約数ペア:

[(1, 8504020), (2, 4252010), (4, 2126005), (5, 1700804), (7, 1214860), (10, 850402), (14, 607430), (19, 447580), (20, 425201), (23, 369740), (28, 303715), (35, 242972), (38, 223790), (46, 184870), (70, 121486), (76, 111895), (92, 92435), (95, 89516), (115, 73948), (133, 63940), (139, 61180), (140, 60743), (161, 52820), (190, 44758), (230, 36974), (266, 31970), (278, 30590), (322, 26410), (380, 22379), (437, 19460), (460, 18487), (532, 15985), (556, 15295), (644, 13205), (665, 12788), (695, 12236), (805, 10564), (874, 9730), (973, 8740), (1330, 6394), (1390, 6118), (1610, 5282), (1748, 4865), (1946, 4370), (2185, 3892), (2641, 3220), (2660, 3197), (2780, 3059)]