56149720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3508

約数の個数: 64

約数和(自身を含む): 141588000

約数和(自身を除く): 85438280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 3449, 4070, 6898, 8140, 13796, 16280, 17245, 27592, 34490, 37939, 68980, 75878, 127613, 137960, 151756, 189695, 255226, 303512, 379390, 510452, 638065, 758780, 1020904, 1276130, 1403743, 1517560, 2552260, 2807486, 5104520, 5614972, 7018715, 11229944, 14037430, 28074860, 56149720]

約数ペア:

[(1, 56149720), (2, 28074860), (4, 14037430), (5, 11229944), (8, 7018715), (10, 5614972), (11, 5104520), (20, 2807486), (22, 2552260), (37, 1517560), (40, 1403743), (44, 1276130), (55, 1020904), (74, 758780), (88, 638065), (110, 510452), (148, 379390), (185, 303512), (220, 255226), (296, 189695), (370, 151756), (407, 137960), (440, 127613), (740, 75878), (814, 68980), (1480, 37939), (1628, 34490), (2035, 27592), (3256, 17245), (3449, 16280), (4070, 13796), (6898, 8140)]