283890100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1825

約数の個数: 72

約数和(自身を含む): 668894688

約数和(自身を除く): 385004588

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 131, 260, 262, 325, 524, 650, 655, 1300, 1310, 1667, 1703, 2620, 3275, 3334, 3406, 6550, 6668, 6812, 8335, 8515, 13100, 16670, 17030, 21671, 33340, 34060, 41675, 42575, 43342, 83350, 85150, 86684, 108355, 166700, 170300, 216710, 218377, 433420, 436754, 541775, 873508, 1083550, 1091885, 2167100, 2183770, 2838901, 4367540, 5459425, 5677802, 10918850, 11355604, 14194505, 21837700, 28389010, 56778020, 70972525, 141945050, 283890100]

約数ペア:

[(1, 283890100), (2, 141945050), (4, 70972525), (5, 56778020), (10, 28389010), (13, 21837700), (20, 14194505), (25, 11355604), (26, 10918850), (50, 5677802), (52, 5459425), (65, 4367540), (100, 2838901), (130, 2183770), (131, 2167100), (260, 1091885), (262, 1083550), (325, 873508), (524, 541775), (650, 436754), (655, 433420), (1300, 218377), (1310, 216710), (1667, 170300), (1703, 166700), (2620, 108355), (3275, 86684), (3334, 85150), (3406, 83350), (6550, 43342), (6668, 42575), (6812, 41675), (8335, 34060), (8515, 33340), (13100, 21671), (16670, 17030)]