157044020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 386104320

約数和(自身を除く): 229060300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 490, 764, 839, 955, 980, 1337, 1678, 1910, 2674, 3356, 3820, 4195, 5348, 5873, 6685, 8390, 9359, 11746, 13370, 16780, 18718, 23492, 26740, 29365, 37436, 41111, 46795, 58730, 82222, 93590, 117460, 160249, 164444, 187180, 205555, 320498, 411110, 640996, 801245, 822220, 1121743, 1602490, 2243486, 3204980, 4486972, 5608715, 7852201, 11217430, 15704402, 22434860, 31408804, 39261005, 78522010, 157044020]

約数ペア:

[(1, 157044020), (2, 78522010), (4, 39261005), (5, 31408804), (7, 22434860), (10, 15704402), (14, 11217430), (20, 7852201), (28, 5608715), (35, 4486972), (49, 3204980), (70, 2243486), (98, 1602490), (140, 1121743), (191, 822220), (196, 801245), (245, 640996), (382, 411110), (490, 320498), (764, 205555), (839, 187180), (955, 164444), (980, 160249), (1337, 117460), (1678, 93590), (1910, 82222), (2674, 58730), (3356, 46795), (3820, 41111), (4195, 37436), (5348, 29365), (5873, 26740), (6685, 23492), (8390, 18718), (9359, 16780), (11746, 13370)]