187239980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 408512160

約数和(自身を除く): 221272180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 356, 370, 445, 740, 890, 1780, 2843, 3293, 5686, 6586, 11372, 13172, 14215, 16465, 28430, 32930, 56860, 65860, 105191, 210382, 253027, 420764, 506054, 525955, 1012108, 1051910, 1265135, 2103820, 2530270, 5060540, 9361999, 18723998, 37447996, 46809995, 93619990, 187239980]

約数ペア:

[(1, 187239980), (2, 93619990), (4, 46809995), (5, 37447996), (10, 18723998), (20, 9361999), (37, 5060540), (74, 2530270), (89, 2103820), (148, 1265135), (178, 1051910), (185, 1012108), (356, 525955), (370, 506054), (445, 420764), (740, 253027), (890, 210382), (1780, 105191), (2843, 65860), (3293, 56860), (5686, 32930), (6586, 28430), (11372, 16465), (13172, 14215)]