128971810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2683}}^1$

素因数の和:2743

約数の個数: 64

約数和(自身を含む): 278277120

約数和(自身を除く): 149305310

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 874, 1045, 1265, 2090, 2185, 2530, 2683, 4370, 4807, 5366, 9614, 13415, 24035, 26830, 29513, 48070, 50977, 59026, 61709, 101954, 123418, 147565, 254885, 295130, 308545, 509770, 560747, 617090, 678799, 1121494, 1172471, 1357598, 2344942, 2803735, 3393995, 5607470, 5862355, 6787990, 11724710, 12897181, 25794362, 64485905, 128971810]

約数ペア:

[(1, 128971810), (2, 64485905), (5, 25794362), (10, 12897181), (11, 11724710), (19, 6787990), (22, 5862355), (23, 5607470), (38, 3393995), (46, 2803735), (55, 2344942), (95, 1357598), (110, 1172471), (115, 1121494), (190, 678799), (209, 617090), (230, 560747), (253, 509770), (418, 308545), (437, 295130), (506, 254885), (874, 147565), (1045, 123418), (1265, 101954), (2090, 61709), (2185, 59026), (2530, 50977), (2683, 48070), (4370, 29513), (4807, 26830), (5366, 24035), (9614, 13415)]