17492020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 46050984

約数和(自身を除く): 28558964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1373, 1820, 2548, 2746, 3185, 5492, 6370, 6865, 9611, 12740, 13730, 17849, 19222, 27460, 35698, 38444, 48055, 67277, 71396, 89245, 96110, 124943, 134554, 178490, 192220, 249886, 269108, 336385, 356980, 499772, 624715, 672770, 874601, 1249430, 1345540, 1749202, 2498860, 3498404, 4373005, 8746010, 17492020]

約数ペア:

[(1, 17492020), (2, 8746010), (4, 4373005), (5, 3498404), (7, 2498860), (10, 1749202), (13, 1345540), (14, 1249430), (20, 874601), (26, 672770), (28, 624715), (35, 499772), (49, 356980), (52, 336385), (65, 269108), (70, 249886), (91, 192220), (98, 178490), (130, 134554), (140, 124943), (182, 96110), (196, 89245), (245, 71396), (260, 67277), (364, 48055), (455, 38444), (490, 35698), (637, 27460), (910, 19222), (980, 17849), (1274, 13730), (1373, 12740), (1820, 9611), (2548, 6865), (2746, 6370), (3185, 5492)]