20173488100

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{457}}^1\times {\mathrm{1847}}^1$

素因数の和:2557

約数の個数: 72

約数和(自身を含む): 44079678720

約数和(自身を除く): 23906190620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 457, 478, 914, 956, 1195, 1828, 1847, 2285, 2390, 3694, 4570, 4780, 5975, 7388, 9140, 9235, 11425, 11950, 18470, 22850, 23900, 36940, 45700, 46175, 92350, 109223, 184700, 218446, 436892, 441433, 546115, 844079, 882866, 1092230, 1688158, 1765732, 2184460, 2207165, 2730575, 3376316, 4220395, 4414330, 5461150, 8440790, 8828660, 10922300, 11035825, 16881580, 21101975, 22071650, 42203950, 44143300, 84407900, 201734881, 403469762, 806939524, 1008674405, 2017348810, 4034697620, 5043372025, 10086744050, 20173488100]

約数ペア:

[(1, 20173488100), (2, 10086744050), (4, 5043372025), (5, 4034697620), (10, 2017348810), (20, 1008674405), (25, 806939524), (50, 403469762), (100, 201734881), (239, 84407900), (457, 44143300), (478, 42203950), (914, 22071650), (956, 21101975), (1195, 16881580), (1828, 11035825), (1847, 10922300), (2285, 8828660), (2390, 8440790), (3694, 5461150), (4570, 4414330), (4780, 4220395), (5975, 3376316), (7388, 2730575), (9140, 2207165), (9235, 2184460), (11425, 1765732), (11950, 1688158), (18470, 1092230), (22850, 882866), (23900, 844079), (36940, 546115), (45700, 441433), (46175, 436892), (92350, 218446), (109223, 184700)]