7974440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 19008000

約数和(自身を除く): 11033560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 109, 118, 124, 155, 218, 236, 248, 295, 310, 436, 472, 545, 590, 620, 872, 1090, 1180, 1240, 1829, 2180, 2360, 3379, 3658, 4360, 6431, 6758, 7316, 9145, 12862, 13516, 14632, 16895, 18290, 25724, 27032, 32155, 33790, 36580, 51448, 64310, 67580, 73160, 128620, 135160, 199361, 257240, 398722, 797444, 996805, 1594888, 1993610, 3987220, 7974440]

約数ペア:

[(1, 7974440), (2, 3987220), (4, 1993610), (5, 1594888), (8, 996805), (10, 797444), (20, 398722), (31, 257240), (40, 199361), (59, 135160), (62, 128620), (109, 73160), (118, 67580), (124, 64310), (155, 51448), (218, 36580), (236, 33790), (248, 32155), (295, 27032), (310, 25724), (436, 18290), (472, 16895), (545, 14632), (590, 13516), (620, 12862), (872, 9145), (1090, 7316), (1180, 6758), (1240, 6431), (1829, 4360), (2180, 3658), (2360, 3379)]