404732840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4943}}^1$

素因数の和:5066

約数の個数: 64

約数和(自身を含む): 961113600

約数和(自身を除く): 556380760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 3560, 4094, 4943, 8188, 9886, 10235, 16376, 19772, 20470, 24715, 39544, 40940, 49430, 81880, 98860, 113689, 197720, 227378, 439927, 454756, 568445, 879854, 909512, 1136890, 1759708, 2199635, 2273780, 3519416, 4399270, 4547560, 8798540, 10118321, 17597080, 20236642, 40473284, 50591605, 80946568, 101183210, 202366420, 404732840]

約数ペア:

[(1, 404732840), (2, 202366420), (4, 101183210), (5, 80946568), (8, 50591605), (10, 40473284), (20, 20236642), (23, 17597080), (40, 10118321), (46, 8798540), (89, 4547560), (92, 4399270), (115, 3519416), (178, 2273780), (184, 2199635), (230, 1759708), (356, 1136890), (445, 909512), (460, 879854), (712, 568445), (890, 454756), (920, 439927), (1780, 227378), (2047, 197720), (3560, 113689), (4094, 98860), (4943, 81880), (8188, 49430), (9886, 40940), (10235, 39544), (16376, 24715), (19772, 20470)]