221643550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1289}}^1$

素因数の和:1501

約数の個数: 48

約数和(自身を含む): 436690800

約数和(自身を除く): 215047250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 181, 190, 362, 475, 905, 950, 1289, 1810, 2578, 3439, 4525, 6445, 6878, 9050, 12890, 17195, 24491, 32225, 34390, 48982, 64450, 85975, 122455, 171950, 233309, 244910, 466618, 612275, 1166545, 1224550, 2333090, 4432871, 5832725, 8865742, 11665450, 22164355, 44328710, 110821775, 221643550]

約数ペア:

[(1, 221643550), (2, 110821775), (5, 44328710), (10, 22164355), (19, 11665450), (25, 8865742), (38, 5832725), (50, 4432871), (95, 2333090), (181, 1224550), (190, 1166545), (362, 612275), (475, 466618), (905, 244910), (950, 233309), (1289, 171950), (1810, 122455), (2578, 85975), (3439, 64450), (4525, 48982), (6445, 34390), (6878, 32225), (9050, 24491), (12890, 17195)]