17217940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 21564860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 569, 890, 1138, 1513, 1780, 2276, 2845, 3026, 5690, 6052, 7565, 9673, 11380, 15130, 19346, 30260, 38692, 48365, 50641, 96730, 101282, 193460, 202564, 253205, 506410, 860897, 1012820, 1721794, 3443588, 4304485, 8608970, 17217940]

約数ペア:

[(1, 17217940), (2, 8608970), (4, 4304485), (5, 3443588), (10, 1721794), (17, 1012820), (20, 860897), (34, 506410), (68, 253205), (85, 202564), (89, 193460), (170, 101282), (178, 96730), (340, 50641), (356, 48365), (445, 38692), (569, 30260), (890, 19346), (1138, 15130), (1513, 11380), (1780, 9673), (2276, 7565), (2845, 6052), (3026, 5690)]