201243560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31249}}^1$

素因数の和:31290

約数の個数: 64

約数和(自身を含む): 540000000

約数和(自身を除く): 338756440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 31249, 62498, 124996, 156245, 218743, 249992, 312490, 437486, 624980, 718727, 874972, 1093715, 1249960, 1437454, 1749944, 2187430, 2874908, 3593635, 4374860, 5031089, 5749816, 7187270, 8749720, 10062178, 14374540, 20124356, 25155445, 28749080, 40248712, 50310890, 100621780, 201243560]

約数ペア:

[(1, 201243560), (2, 100621780), (4, 50310890), (5, 40248712), (7, 28749080), (8, 25155445), (10, 20124356), (14, 14374540), (20, 10062178), (23, 8749720), (28, 7187270), (35, 5749816), (40, 5031089), (46, 4374860), (56, 3593635), (70, 2874908), (92, 2187430), (115, 1749944), (140, 1437454), (161, 1249960), (184, 1093715), (230, 874972), (280, 718727), (322, 624980), (460, 437486), (644, 312490), (805, 249992), (920, 218743), (1288, 156245), (1610, 124996), (3220, 62498), (6440, 31249)]