7888040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 19051200

約数和(自身を除く): 11163160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 107, 152, 190, 194, 214, 380, 388, 428, 485, 535, 760, 776, 856, 970, 1070, 1843, 1940, 2033, 2140, 3686, 3880, 4066, 4280, 7372, 8132, 9215, 10165, 10379, 14744, 16264, 18430, 20330, 20758, 36860, 40660, 41516, 51895, 73720, 81320, 83032, 103790, 197201, 207580, 394402, 415160, 788804, 986005, 1577608, 1972010, 3944020, 7888040]

約数ペア:

[(1, 7888040), (2, 3944020), (4, 1972010), (5, 1577608), (8, 986005), (10, 788804), (19, 415160), (20, 394402), (38, 207580), (40, 197201), (76, 103790), (95, 83032), (97, 81320), (107, 73720), (152, 51895), (190, 41516), (194, 40660), (214, 36860), (380, 20758), (388, 20330), (428, 18430), (485, 16264), (535, 14744), (760, 10379), (776, 10165), (856, 9215), (970, 8132), (1070, 7372), (1843, 4280), (1940, 4066), (2033, 3880), (2140, 3686)]