137398520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16921}}^1$

素因数の和:16968

約数の個数: 64

約数和(自身を含む): 365515200

約数和(自身を除く): 228116680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 16921, 33842, 67684, 84605, 118447, 135368, 169210, 236894, 338420, 473788, 490709, 592235, 676840, 947576, 981418, 1184470, 1962836, 2368940, 2453545, 3434963, 3925672, 4737880, 4907090, 6869926, 9814180, 13739852, 17174815, 19628360, 27479704, 34349630, 68699260, 137398520]

約数ペア:

[(1, 137398520), (2, 68699260), (4, 34349630), (5, 27479704), (7, 19628360), (8, 17174815), (10, 13739852), (14, 9814180), (20, 6869926), (28, 4907090), (29, 4737880), (35, 3925672), (40, 3434963), (56, 2453545), (58, 2368940), (70, 1962836), (116, 1184470), (140, 981418), (145, 947576), (203, 676840), (232, 592235), (280, 490709), (290, 473788), (406, 338420), (580, 236894), (812, 169210), (1015, 135368), (1160, 118447), (1624, 84605), (2030, 67684), (4060, 33842), (8120, 16921)]