393889304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 794976000

約数和(自身を除く): 401086696

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 139, 152, 181, 206, 278, 362, 412, 556, 724, 824, 1112, 1448, 1957, 2641, 3439, 3914, 5282, 6878, 7828, 10564, 13756, 14317, 15656, 18643, 21128, 25159, 27512, 28634, 37286, 50318, 57268, 74572, 100636, 114536, 149144, 201272, 272023, 354217, 478021, 544046, 708434, 956042, 1088092, 1416868, 1912084, 2176184, 2591377, 2833736, 3824168, 5182754, 10365508, 20731016, 49236163, 98472326, 196944652, 393889304]

約数ペア:

[(1, 393889304), (2, 196944652), (4, 98472326), (8, 49236163), (19, 20731016), (38, 10365508), (76, 5182754), (103, 3824168), (139, 2833736), (152, 2591377), (181, 2176184), (206, 1912084), (278, 1416868), (362, 1088092), (412, 956042), (556, 708434), (724, 544046), (824, 478021), (1112, 354217), (1448, 272023), (1957, 201272), (2641, 149144), (3439, 114536), (3914, 100636), (5282, 74572), (6878, 57268), (7828, 50318), (10564, 37286), (13756, 28634), (14317, 27512), (15656, 25159), (18643, 21128)]