168549980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 376261200

約数和(自身を除く): 207711220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 179, 230, 356, 358, 445, 460, 529, 716, 890, 895, 1058, 1780, 1790, 2047, 2116, 2645, 3580, 4094, 4117, 5290, 8188, 8234, 10235, 10580, 15931, 16468, 20470, 20585, 31862, 40940, 41170, 47081, 63724, 79655, 82340, 94162, 94691, 159310, 188324, 189382, 235405, 318620, 366413, 378764, 470810, 473455, 732826, 941620, 946910, 1465652, 1832065, 1893820, 3664130, 7328260, 8427499, 16854998, 33709996, 42137495, 84274990, 168549980]

約数ペア:

[(1, 168549980), (2, 84274990), (4, 42137495), (5, 33709996), (10, 16854998), (20, 8427499), (23, 7328260), (46, 3664130), (89, 1893820), (92, 1832065), (115, 1465652), (178, 946910), (179, 941620), (230, 732826), (356, 473455), (358, 470810), (445, 378764), (460, 366413), (529, 318620), (716, 235405), (890, 189382), (895, 188324), (1058, 159310), (1780, 94691), (1790, 94162), (2047, 82340), (2116, 79655), (2645, 63724), (3580, 47081), (4094, 41170), (4117, 40940), (5290, 31862), (8188, 20585), (8234, 20470), (10235, 16468), (10580, 15931)]