209314420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 515725056

約数和(自身を除く): 306410636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 113, 131, 140, 202, 226, 262, 404, 452, 505, 524, 565, 655, 707, 791, 917, 1010, 1130, 1310, 1414, 1582, 1834, 2020, 2260, 2620, 2828, 3164, 3535, 3668, 3955, 4585, 7070, 7910, 9170, 11413, 13231, 14140, 14803, 15820, 18340, 22826, 26462, 29606, 45652, 52924, 57065, 59212, 66155, 74015, 79891, 92617, 103621, 114130, 132310, 148030, 159782, 185234, 207242, 228260, 264620, 296060, 319564, 370468, 399455, 414484, 463085, 518105, 798910, 926170, 1036210, 1495103, 1597820, 1852340, 2072420, 2990206, 5980412, 7475515, 10465721, 14951030, 20931442, 29902060, 41862884, 52328605, 104657210, 209314420]

約数ペア:

[(1, 209314420), (2, 104657210), (4, 52328605), (5, 41862884), (7, 29902060), (10, 20931442), (14, 14951030), (20, 10465721), (28, 7475515), (35, 5980412), (70, 2990206), (101, 2072420), (113, 1852340), (131, 1597820), (140, 1495103), (202, 1036210), (226, 926170), (262, 798910), (404, 518105), (452, 463085), (505, 414484), (524, 399455), (565, 370468), (655, 319564), (707, 296060), (791, 264620), (917, 228260), (1010, 207242), (1130, 185234), (1310, 159782), (1414, 148030), (1582, 132310), (1834, 114130), (2020, 103621), (2260, 92617), (2620, 79891), (2828, 74015), (3164, 66155), (3535, 59212), (3668, 57065), (3955, 52924), (4585, 45652), (7070, 29606), (7910, 26462), (9170, 22826), (11413, 18340), (13231, 15820), (14140, 14803)]