128366420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 334285056

約数和(自身を除く): 205918636

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 251, 260, 281, 364, 455, 502, 562, 910, 1004, 1124, 1255, 1405, 1757, 1820, 1967, 2510, 2810, 3263, 3514, 3653, 3934, 5020, 5620, 6526, 7028, 7306, 7868, 8785, 9835, 13052, 14612, 16315, 17570, 18265, 19670, 22841, 25571, 32630, 35140, 36530, 39340, 45682, 51142, 65260, 70531, 73060, 91364, 102284, 114205, 127855, 141062, 228410, 255710, 282124, 352655, 456820, 493717, 511420, 705310, 916903, 987434, 1410620, 1833806, 1974868, 2468585, 3667612, 4584515, 4937170, 6418321, 9169030, 9874340, 12836642, 18338060, 25673284, 32091605, 64183210, 128366420]

約数ペア:

[(1, 128366420), (2, 64183210), (4, 32091605), (5, 25673284), (7, 18338060), (10, 12836642), (13, 9874340), (14, 9169030), (20, 6418321), (26, 4937170), (28, 4584515), (35, 3667612), (52, 2468585), (65, 1974868), (70, 1833806), (91, 1410620), (130, 987434), (140, 916903), (182, 705310), (251, 511420), (260, 493717), (281, 456820), (364, 352655), (455, 282124), (502, 255710), (562, 228410), (910, 141062), (1004, 127855), (1124, 114205), (1255, 102284), (1405, 91364), (1757, 73060), (1820, 70531), (1967, 65260), (2510, 51142), (2810, 45682), (3263, 39340), (3514, 36530), (3653, 35140), (3934, 32630), (5020, 25571), (5620, 22841), (6526, 19670), (7028, 18265), (7306, 17570), (7868, 16315), (8785, 14612), (9835, 13052)]