28161610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 55549800

約数和(自身を除く): 27388190

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 269, 290, 361, 538, 551, 722, 1102, 1345, 1805, 2690, 2755, 3610, 5111, 5510, 7801, 10222, 10469, 15602, 20938, 25555, 39005, 51110, 52345, 78010, 97109, 104690, 148219, 194218, 296438, 485545, 741095, 971090, 1482190, 2816161, 5632322, 14080805, 28161610]

約数ペア:

[(1, 28161610), (2, 14080805), (5, 5632322), (10, 2816161), (19, 1482190), (29, 971090), (38, 741095), (58, 485545), (95, 296438), (145, 194218), (190, 148219), (269, 104690), (290, 97109), (361, 78010), (538, 52345), (551, 51110), (722, 39005), (1102, 25555), (1345, 20938), (1805, 15602), (2690, 10469), (2755, 10222), (3610, 7801), (5111, 5510)]