201915210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1889}}^1$

素因数の和:2415

約数の個数: 64

約数和(自身を含む): 555206400

約数和(自身を除く): 353291190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 509, 1018, 1527, 1889, 2545, 3054, 3563, 3778, 5090, 5667, 7126, 7635, 9445, 10689, 11334, 13223, 15270, 17815, 18890, 21378, 26446, 28335, 35630, 39669, 53445, 56670, 66115, 79338, 106890, 132230, 198345, 396690, 961501, 1923002, 2884503, 4807505, 5769006, 6730507, 9615010, 13461014, 14422515, 20191521, 28845030, 33652535, 40383042, 67305070, 100957605, 201915210]

約数ペア:

[(1, 201915210), (2, 100957605), (3, 67305070), (5, 40383042), (6, 33652535), (7, 28845030), (10, 20191521), (14, 14422515), (15, 13461014), (21, 9615010), (30, 6730507), (35, 5769006), (42, 4807505), (70, 2884503), (105, 1923002), (210, 961501), (509, 396690), (1018, 198345), (1527, 132230), (1889, 106890), (2545, 79338), (3054, 66115), (3563, 56670), (3778, 53445), (5090, 39669), (5667, 35630), (7126, 28335), (7635, 26446), (9445, 21378), (10689, 18890), (11334, 17815), (13223, 15270)]