49179980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 120476160

約数和(自身を除く): 71296180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 34, 38, 46, 68, 76, 85, 92, 95, 115, 170, 190, 230, 323, 331, 340, 380, 391, 437, 460, 646, 662, 782, 874, 1292, 1324, 1564, 1615, 1655, 1748, 1955, 2185, 3230, 3310, 3910, 4370, 5627, 6289, 6460, 6620, 7429, 7613, 7820, 8740, 11254, 12578, 14858, 15226, 22508, 25156, 28135, 29716, 30452, 31445, 37145, 38065, 56270, 62890, 74290, 76130, 106913, 112540, 125780, 129421, 144647, 148580, 152260, 213826, 258842, 289294, 427652, 517684, 534565, 578588, 647105, 723235, 1069130, 1294210, 1446470, 2138260, 2458999, 2588420, 2892940, 4917998, 9835996, 12294995, 24589990, 49179980]

約数ペア:

[(1, 49179980), (2, 24589990), (4, 12294995), (5, 9835996), (10, 4917998), (17, 2892940), (19, 2588420), (20, 2458999), (23, 2138260), (34, 1446470), (38, 1294210), (46, 1069130), (68, 723235), (76, 647105), (85, 578588), (92, 534565), (95, 517684), (115, 427652), (170, 289294), (190, 258842), (230, 213826), (323, 152260), (331, 148580), (340, 144647), (380, 129421), (391, 125780), (437, 112540), (460, 106913), (646, 76130), (662, 74290), (782, 62890), (874, 56270), (1292, 38065), (1324, 37145), (1564, 31445), (1615, 30452), (1655, 29716), (1748, 28135), (1955, 25156), (2185, 22508), (3230, 15226), (3310, 14858), (3910, 12578), (4370, 11254), (5627, 8740), (6289, 7820), (6460, 7613), (6620, 7429)]