169890856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 346852800

約数和(自身を除く): 176961944

約数列:

[1, 2, 4, 8, 19, 38, 61, 73, 76, 122, 146, 152, 244, 251, 292, 488, 502, 584, 1004, 1159, 1387, 2008, 2318, 2774, 4453, 4636, 4769, 5548, 8906, 9272, 9538, 11096, 15311, 17812, 18323, 19076, 30622, 35624, 36646, 38152, 61244, 73292, 84607, 122488, 146584, 169214, 290909, 338428, 348137, 581818, 676856, 696274, 1117703, 1163636, 1392548, 2235406, 2327272, 2785096, 4470812, 8941624, 21236357, 42472714, 84945428, 169890856]

約数ペア:

[(1, 169890856), (2, 84945428), (4, 42472714), (8, 21236357), (19, 8941624), (38, 4470812), (61, 2785096), (73, 2327272), (76, 2235406), (122, 1392548), (146, 1163636), (152, 1117703), (244, 696274), (251, 676856), (292, 581818), (488, 348137), (502, 338428), (584, 290909), (1004, 169214), (1159, 146584), (1387, 122488), (2008, 84607), (2318, 73292), (2774, 61244), (4453, 38152), (4636, 36646), (4769, 35624), (5548, 30622), (8906, 19076), (9272, 18323), (9538, 17812), (11096, 15311)]