147440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 364560

約数和(自身を除く): 217120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1843, 1940, 3686, 3880, 7372, 7760, 9215, 14744, 18430, 29488, 36860, 73720, 147440]

約数ペア:

[(1, 147440), (2, 73720), (4, 36860), (5, 29488), (8, 18430), (10, 14744), (16, 9215), (19, 7760), (20, 7372), (38, 3880), (40, 3686), (76, 1940), (80, 1843), (95, 1552), (97, 1520), (152, 970), (190, 776), (194, 760), (304, 485), (380, 388)]