220253432

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^2\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 491638680

約数和(自身を除く): 271385248

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 151, 196, 244, 302, 392, 427, 488, 604, 854, 1057, 1208, 1708, 2114, 2989, 3416, 3721, 4228, 5978, 7399, 7442, 8456, 9211, 11956, 14798, 14884, 18422, 23912, 26047, 29596, 29768, 36844, 52094, 59192, 64477, 73688, 104188, 128954, 182329, 208376, 257908, 364658, 451339, 515816, 561871, 729316, 902678, 1123742, 1458632, 1805356, 2247484, 3610712, 3933097, 4494968, 7866194, 15732388, 27531679, 31464776, 55063358, 110126716, 220253432]

約数ペア:

[(1, 220253432), (2, 110126716), (4, 55063358), (7, 31464776), (8, 27531679), (14, 15732388), (28, 7866194), (49, 4494968), (56, 3933097), (61, 3610712), (98, 2247484), (122, 1805356), (151, 1458632), (196, 1123742), (244, 902678), (302, 729316), (392, 561871), (427, 515816), (488, 451339), (604, 364658), (854, 257908), (1057, 208376), (1208, 182329), (1708, 128954), (2114, 104188), (2989, 73688), (3416, 64477), (3721, 59192), (4228, 52094), (5978, 36844), (7399, 29768), (7442, 29596), (8456, 26047), (9211, 23912), (11956, 18422), (14798, 14884)]